609.   J. Cernicharo, C. Cabezas, R. Fuentetaja, M. Agundez, B. Tercero, J. Janeiro, M. Juanes, R. I. Kaiser, Y. Endo, A. L. Steber, D. Perez, C. Perez, A. Lesarri, N. Marcelino, P. de Vicente Discovery of two cyano derivatives of acenaphthylene (C₁₂H₈) in TMC-1 with the QUIJOTE line survey, Astron. Astrophys., 690, L13 (2024).   (PDF)    

608.   J. Wang, A. A. Nikolayev, J. H. Marks, A. M. Turner, S. Chandra, N. F. Kleimeier, L. A. Young, A. M. Mebel, R. I. Kaiser, Interstellar Formation of Nitrogen Heteroaromatics [Indole, C₈H₇N; Pyrrole, C₄H₅N; Aniline, C₆H₅NH₂]: Key Precursors to Amino Acids and Nucleobases, J. Am. Chem. Soc., 146, 28437−28447 (2024).   (PDF)   (Supplemental Information)   (Data Files) 

607.   D. Paul, S. Biswas, H. Yeom, K. Na, M. L. Pantoya, R. I. Kaiser, Unraveling the Nanosheet Zeolite-Catalyzed Combustion of Aluminum Nanoparticles-Doped exo-Tetrahydrodicyclopentadiene (JP-10) Energetic Fuel, ACS Appl. Mater. Interfaces, 16, 53938−53949 (2024).   (PDF)   (Supplemental Information)   (Data Files)

606.   J. Wang, J. H. Marks, E. A. Batrakova, S. O. Tuchin, I. O. Antonov, R. I. Kaiser, Formation of methylglyoxal (CH₃C(O)CHO) in interstellar analog ices – a key intermediate in cellular metabolism, Phys. Chem. Chem. Phys., 26, 23654–23662 (2024).   (PDF)   (Supplemental Information)   (Data Files) 

605.   S. J. Goettl, Z. Yang, C. He, A. Somani, A. Portela-Gonzalez, W. Sander, A. M. Mebel, R. I. Kaiser, Exploring the Chemical Dynamics of Phenanthrene (C₁₄H₁₀) Formation via the Bimolecular Gas-Phase Reaction of the Phenylethynyl Radical (C₆H₅CC) with Benzene (C₆H₆), Faraday Discussions, 251, 509-522 (2024).    (PDF)   (Supplemental Information)   (Data Files)

604.   Z. Yang, C. He, S. J. Goettl, A. M. Mebel, P. F. G. Velloso, M. O. Alves, B. R. L. Galvão, J.-C. Loison, K. M. Hickson, M. Dobrijevic, X. Li, R. I. Kaiser, Low-temperature formation of pyridine and (iso)quinoline via neutral–neutral reactions, Nat. Astron., 8, 856-864 (2024).    (PDF)   (Supplemental Information)   (Data Files)

603.   A. M. Mebel, W. Li, L. P. Maffei, C. Cavallotti, A. N. Morozov, C.-Y. Wang, J.-Z. Yang, L. Zhao, R. I. Kaiser, Fulvenallenyl Radical (C₇H₅)-Mediated Gas-Phase Synthesis of Bicyclic Aromatic C₁₀H₈ Isomers: Can Fulvenallenyl Efficiently React with Closed-Shell Hydrocarbons?, J. Phys. Chem. A, 128, 5707-5720 (2024).   (PDF)   (Supplemental Information)

602.   C. Y. Wang, L. Zhao, R. I. Kaiser, Gas-Phase Preparation of the 14π Hückel Polycyclic Aromatic Anthracene and Phenanthrene Isomers (C₁₄H₁₀) via the Propargyl Addition-BenzAnnulation (PABA) Mechanism, ChemPhysChem, 25, e202400151 (2024).   (PDF)   (Supplemental Information)

601.   J. Wang, J. H. Marks, R. I. Kaiser, R. C. Fortenberry, Ist der Weltraum süß oder sauer?, Physik in unserer Zeit, 55, 162-163 (2024).   (PDF)  

600.   S. J. Goettl, C. He, Z. Yang, R. I. Kaiser, A. Somani, A. Portela-Gonzales, W. Sander, B.-J. Sun, S. Fatimah, K. P. Kadam, A. H. H. Chang, Unconventional Gas-Phase Synthesis of Biphenyl and its Atropisomeric Methyl-Substituted Derivatives, Phys. Chem. Chem. Phys., 26, 18321-18332 (2024).   (PDF)   (Supplemental Information)   (Data Files)

599.   R. I. Kaiser, Astrochemistry - Quo Vadis?, Bunsen-Magazin, 28, 78-80 (2024).   (PDF)  

598.   C. Zhang, V. Leyva, J. Wang, A. M. Turner, M. Mcanally, A. Herath, C. Meinert, L. A. Young, and R. I. Kaiser, Ionizing radiation exposure on Arrokoth shapes a sugar world, PNAS, 121, e2320215121 (2024).   (PDF)   (Supplemental Information)   (Data Files)

597.   M. McAnally, J. Bocková, A. Herath, A. M. Turner, C. Meinert, R. I. Kaiser, Abiotic formation of alkylsulfonic acids in interstellar analog ices and implications for their detection on Ryugu, Nat. Commun., 15, 4409 (2024).   (PDF)   (Supplemental Information)   (Data Files)

596.   K. Yadav, Y. Luo, R. I. Kaiser, R. Sun, Initial decomposition pathways of 1,1-diamino-2,2-dinitroethylene (a-FOX-7) in the condensed phase, Phys. Chem. Chem. Phys., 26, 11395-11405 (2024).   (PDF)   (Supplemental Information)  

595.   J. Wang, A. M. Turner, J. H. Marks, C. Zhang, N. F. Kleimeier, A. Bergantini, S. K. Singh, R. C. Fortenberry, R. I. Kaiser, Preparation of Acetylenediol (HOCCOH) and Glyoxal (HCOCHO) in Interstellar Analog Ices of Carbon Monoxide and Water, Astrophys. J., 967, 79 (2024).   (PDF)   (Data Files)

594.   S. Biswas, D. Paul, N. Dias, K. Kunzler, M. Ahmed, M. L. Pantoya, R. I. Kaiser, Stress-Alteration Enhancement of the Reactivity of Aluminum Nanoparticles in the Catalytic Decomposition of exo-Tetrahydrodicyclopentadiene (JP-10), J. Phys. Chem. A, 128, 3613−3624 (2024).   (PDF)   (Supplemental Information)   (Data Files)

593.   J. H. Marks, X. Bai, A. A. Nikolayev, Q. Gong, C. Zhu, N. F. Kleimeier, A. M. Turner, S. K. Singh, J. Wang, J. Yang, Y. Pan, T. Yang, A. M. Mebel, R. I. Kaiser, Methanetriol--Formation of an Impossible Molecule, J. Am. Chem. Soc., 146, 12174-12184 (2024).   (PDF)   (Supplemental Information)   (Data Files)

592.   G. L. Rizzo, S. Biswas, M. L. Pantoya, R. I. Kaiser, Unraveling the ignition chemistry of singly levitated aluminum iodate hexahydrate (AIH) particles, Chem. Phys. Lett., 842, 141212 (2024).   (PDF)   (Supplemental Information)   (Data Files)

591.   J. Wang, J. H. Marks, R. C. Fortenberry, R. I. Kaiser, Interstellar formation of glyceric acid [HOCH₂CH(OH)COOH]—The simplest sugar acid, Sci. Adv., 10, eadl3236 (2024).   (PDF)   (Supplemental Information)   (Data Files)

590.   S. Biswas, D. Paul, N. Dias, W. Lu, M. Ahmed, M. L. Pantoya, R. I. Kaiser, Efficient Oxidative Decomposition of Jet-Fuel exo-Tetrahydrodicyclopentadiene (JP-10) by Aluminum Nanoparticles in a Catalytic Microreactor: An Online Vacuum Ultraviolet Photoionization Study, J. Phys. Chem. A, 128, 1665−1684 (2024).   (PDF)   (Supplemental Information)   (Data Files)

589.   I. A. Medvedkov, A. A. Nikolayev, Z. Yang, S. J. Goettl, A. M. Mebel, R. I. Kaiser, Elucidating the Chemical Dynamics of the Elementary Reactions of the 1-Propynyl Radical (CH₃CC; X²A₁) with 2-Methylpropene ((CH₃)₂CCH₂; X¹A₁), Phys. Chem. Chem. Phys., 26, 6448–6457 (2024).   (PDF)   (Supplemental Information)   (Data Files)

588.   J. Wang, J. H. Marks, A. K. Eckhardt, R. I. Kaiser, Bottom-Up Formation of Antiaromatic Cyclobutadiene (c-C₄H₄) in Interstellar Ice Analogs, J. Phys. Chem. Lett., 15, 1211−1217 (2024).   (PDF)   (Supplemental Information)   (Data Files)

587.   S. J. Goettl, A. M. Turner, B.-J. Sun, A. H. H. Chang, P. Hemberger, R. I. Kaiser, Gas-Phase Preparation of the Dibenzo[e,l]pyrene (C₂₄H₁₄) Butterfly Molecule via a Phenyl Radical-Mediated Ring Annulation, Chem. Commun., 60, 1404-1407 (2024).   (PDF)   (Supplemental Information)   (Data Files)

586.   I. A. Medvedkov, A. A. Nikolayev, C. He, Z. Yang, A. M. Mebel, R. I. Kaiser, One Collision—Two Substituents: Gas-Phase Preparation of Xylenes under Single-Collision Conditions, Angew. Chem. Int. Ed., 63, e202315147 (2024).   (PDF)   (Supplemental Information)   (Data Files)

585.   S. Biswas, K. Fujioka, I. Antonov, G. L. Rizzo, S. D. Chambreau, S. Schneider, R. Sun, R. I. Kaiser, Hypergolic ionic liquids: to be or not to be?, Chem. Sci., 15, 1480−1487 (2024).   (PDF)   (Supplemental Information)   (Data Files)

584.   R. I. Kaiser, Unraveling the complex inventory of biorelevant organics in the plumes of icy moons, PNAS, 120, 52, e2319167120 (2023).   (PDF)  

583.   J. H. Marks, J. Wang, B.-J. Sun, M. McAnally, A. M. Turner, A. H.-H. Chang, R. I. Kaiser, Thermal Synthesis of Carbamic Acid and Its Dimer in Interstellar Ices: A Reservoir of Interstellar Amino Acids, ACS Cent. Sci., 9, 2171-2368 (2023).   (PDF)   (Supplemental Information)   (Data Files)

582.   S. Biswas, D. Paul, C. He, N. Dias, M. Ahmed, M. L. Pantoya, R. I. Kaiser, Counterintuitive Catalytic Reactivity of the Aluminum Oxide “Passivation” Shell of Aluminum Nanoparticles Facilitating the Thermal Decomposition of exo-Tetrahydrodicyclopentadiene (JP-10), J. Phys. Chem. Lett., 14, 9341−9350 (2023).   (PDF)   (Supplemental Information)   (Data Files)

581.   Z. Yang, I. A. Medvedkov, S. J. Goettl, R. I. Kaiser, Low-Temperature Gas-Phase Formation of Methanimine (CH₂NH; X¹A') – the Simplest Imine - under Single-Collision Conditions, J. Phys. Chem. Lett., 14, 8500-8506 (2023).   (PDF)   (Supplemental Information)   (Data Files)

580.   A. M Turner, J. H. Marks, J. T. Lechner, T. M. Klapotke, R. Sun, R. I. Kaiser, Ultraviolet-Initiated Decomposition of Solid 1,1-Diamino-2,2-dinitroethylene (FOX-7), J. Phys. Chem. A, 127, 37, 7707-7717 (2023).   (PDF)   (Supplemental Information)  

579.   W. Li, J. Yang, L. Zhao, D. Couch, M. S. Marchi, N. Hansen, A. N. Morozov, A. M. Mebel, R. I. Kaiser, Gas-Phase Preparation of Azulene (C₁₀H₈) and Naphthalene (C₁₀H₈) via the Reaction of the Resonantly Stabilized Fulvenallenyl (C₇H₅^•) and Propargyl (C₃H₃^•) Radicals, Chem. Sci., 14, 9795-9805 (2023).   (PDF)   (Supplemental Information)  

578.   Z. Yang, G. R. Galimova, C. He, S. J. Goettl, D. Paul, W. Lu, M. Ahmed, A. M. Mebel, X. Li, R. I. Kaiser, Gas-Phase Formation of the Resonantly Stablized 1-Indenyl (C₉H₇^•) Radical in the Interstellar Medium, Science Advances, 9, eadi5060 (2023).   (PDF)   (Supplemental Information)   (Data Files)

577.   J. Marks, A. A. Nikolayev, M. M. Evseev, J. Wang, A. M. Turner, N. F. Kleimeier, O. V. Kuznetsov, M. McAnally, A. N. Morozov, I. O. Antonov, A. M. Mebel, R. I. Kaiser, Quantum-Tunneling-Mediated Synthesis of Prebiotic Chelation Agents in Interstellar Analog Ices, Chem, 9, 1-18 (2023).   (PDF)   (Supplemental Information)   (Data Files)

576.   C. Zhang, J. Wang, A. M. Turner, J. H. Marks, S. Chandra, R. C. Fortenberry, R. I. Kaiser, On the Formation of Vinylamine (C₂H₃NH₂) in Interstellar Ice Analogs , Astrophys. J., 952, 132 (2023).   (PDF)   (Supplemental Information)   (Data Files)

575.   I. A. Medvedkov, A. A. Nikolayev, C. He, Z. Yang, A. M. Mebel, R. I. Kaiser, A combined experimental and computational study on the reaction dynamics of the 1-propynyl (CH₃CC, X²A₁) – propylene (CH₃CHCH₂, X²A′) system: formation of 1,3-dimethylvinylacetylene (CH₃CCCHCHCH₃, X¹A′) under single collision conditions, Molecular Physics, e2234509 (2023).   (PDF)   (Supplemental Information)   (Data Files)

574.   S. J. Goettl, Z. Yang, S. Kollotzek, D. Paul, R. I. Kaiser, A. Somani, A. Portela-Gonzalez, W. Sander, A. A. Nikolayev, V. N. Azyazov, A. M. Mebel, Exploring the Chemical Dynamics of Phenylethynyl Radical (C₆H₅CC; X²A₁) Reactions with Allene (H₂CCCH₂; X¹A₁) and Methylacetylene (CH₃CCH; X¹A₁), J. Phys. Chem. A, 127, 5723-5733 (2023).   (PDF)   (Supplemental Information)   (Data Files)

573.   S. J. Goettl, L. B. Tuli, A. M. Turner, Y. Reyes, A. H. Howlader, S. F. Wnuk, P. Hemberger, A. M. Mebel, R. I. Kaiser, Gas-Phase Synthesis of Coronene through Stepwise Directed Ring Annulation, J. Am. Chem. Soc., 145, 15443-15455 (2023).   (PDF)   (Supplemental Information)   (Data Files)

572.   J. Wang, A. A. Nikolayev, C. Zhang, J. H. Marks, V. N. Azyazov, A. K. Eckhardt, A. M. Mebel, R. I. Kaiser, Synthesis of interstellar propen-2-ol (CH₃C(OH)CH₂) – the simplest enol tautomer of a ketone, Phys. Chem. Chem. Phys., 25, 17460 (2023).   (PDF)   (Supplemental Information)   (Data Files)

571.   J. Wang, A. A. Nikolayev, J. H. Marks, M. Mcanally, V. N. Azyazov, A. K. Eckhardt, A. M. Mebel, R. I. Kaiser, Quantum Tunneling Mediated Low-Temperature Synthesis of Interstellar Hemiacetals, J. Phys. Chem. Lett., 14, 6078−6085 (2023).   (PDF)   (Supplemental Information)   (Data Files)

570.   C. Zhang, C. Zhu, A. M. Turner, I. O. Antonov, A. D. Garcia, C. Meinert, L. A. Young, D. C. Jewitt, and R. I. Kaiser, Processing of methane and acetylene ices by galactic cosmic rays and implications to the color diversity of Kuiper Belt object, Sci. Adv., 9 (22), eadg6936 (2023).   (PDF)   (Supplemental Information)   (Data Files)

569.   C. He, R. I. Kaiser, W. Lu, M. Ahmed, V. S. Krasnoukhov, P. S. Pivovarov, M. V. Zagidullin, V. N. Azyazov, A. N. Morozov, A. M. Mebel, Unconventional Gas-Phase Preparation of the Prototype Polycyclic Aromatic Hydrocarbon Naphthalene (C₁₀H₈) via the Reaction of Benzyl (C₇H₇) and Propargyl (C₃H₃) Radicals Coupled with Hydrogen-Atom Assisted Isomerization, Chem. Sci., 14, 5369-5378 (2023).   (PDF)   (Supplemental Information)  (Data Files)  

568.   A. M. Turner, J. H. Marks, Y. Luo, J. T. Lechner, T. M. Klapotke, R. Sun, R. I. Kaiser, Electron-Induced Decomposition of Solid 1,1-Diamino-2,2-dinitroethylene (FOX-7) at Cryogenic Temperatures, J. Phys. Chem. A, 127, 3390-3401 (2023).   (PDF)   (Supplemental Information)   (Data Files)

567.   G. L. Rizzo, S. Biswas, I. Antonov, K. K. Miller, M. L. Pantoya, R. I. Kaiser, Exotic Inverse Kinetic Isotopic Effect in the Thermal Decomposition of Levitated Aluminum Iodate Hexahydrate Particles, J. Phys. Chem. Lett., 14, 2722–2730 (2023).   (PDF)   (Supplemental Information)   (Data Files)

566.   A. M. Mebel, M. Agúndez, J. Cernicharo, R. I. Kaiser, Elucidating the Formation of Ethynylbutatrienylidene (HCCCHCCC; X¹A') in the Taurus Molecular Cloud (TMC-1) via the Gas-Phase Reaction of Tricarbon (C₃) with the Propargyl Radical (C₃H₃) Astrophys. J. Lett., 945, L40 (2023).   (PDF)  

565.   L. B. Tuli, S. J. Goettl, A. M. Turner, A. H. Howlader, P. Hemberger, S. F. Wnuk, T. Guo, A. M. Mebel, R. I. Kaiser, Gas Phase Synthesis of the C40 Nano Bowl C₄₀H₁₀ Nat. Commun., 14, 1527 (2023).   (PDF)   (Supplemental Information)   (Data Files)

564.   Z. Yang, S. Doddipatla, C. He, S. J. Goettl, R. I. Kaiser, A. W. Jasper, A. C. R. Gomes, B. R. L. Galvão, Can Third-Body Stabilisation of Bimolecular Collision Complexes in Cold Molecular Clouds Happen? Molecular Physics, e2134832 (2023).   (PDF)   (Supplemental Information)   (Data Files)

563.   J. Wang, J. H. Marks, A. M. Turner, A. M. Mebel, A. K. Eckhardt, R. I. Kaiser, Gas-Phase Detection of Oxirene, Sci. Adv., 9, eadg1134 (2023).   (PDF)   (Supplemental Information)   (Data Files) 

562.   D. Paul, B.-J. Sun, C. He, Z. Yang, S. J. Goettl, T. Yang, B.-Y. Zhang, A. H. H. Chang, R. I. Kaiser, Competing Si₂CH₄-H₂ and SiCH₂-SiH₄ Channels in the Bimolecular Reaction of ground-State Atomic Carbon (C(³p_j)) with Disilane (Si₂H₆, X¹A_1g) under Single Collision Conditions , J. Phys. Chem. A, 127, 1901-1908 (2023).   (PDF)   (Supplemental Information)   (Data Files)  

561.   S. Biswas, I. Antonov, K. Fujioka, G. L. Rizzo, S. D. Chambreau, S. Schneider, R. Sun, R. I. Kaiser, Unraveling the Initial Steps of the Ignition Chemistry of the Hypergolic Ionic Liquid 1-ethyl-3-methylimidazolium cyanoborohydride ([EMIM][CBH]) with Nitric Acid (HNO₃) Exploiting Chirped Pulse Triggered Droplet Merging, Phys. Chem. Chem. Phys., 25, 6602-6625 (2023).   (PDF)   (Supplemental Information)   (Data Files)

560.   J. H. Marks, J. Wang, N. F Kleimeier, A. M. Turner, A. K. Eckhardt, R. I. Kaiser, Prebiotic Synthesis and Isomerization in Interstellar Analog Ice: Glycinal, Acetamide, and Their Enol Tautomers, Angew. Chem. Int. Ed. 62, e202218645 (2023).   (PDF)   (Supplemental Information)   (Data Files)

559.   C. Zhang, A. M. Turner, J. Wang, J. H. Marks, R. C. Fortenberry, R. I. Kaiser, Low-Temperature Thermal Formation of the Cyclic Methylphosphonic Acid Trimer [c-(CH₃PO₂)₃], ChemPhysChem 24, e202200660 (2023).   (PDF)   (Supplemental Information)   (Data Files)

558.   C. He, R. I. Kaiser, W. Lu, M. Ahmed, Y. Reyes, S. F. Wnuk, A. M. Mebel, Exotic Reaction Dynamics in the Gas-Phase Preparation of Anthracene (C₁₄H₁₀) via Spiroaromatic Radical Transients in the Indenyl-cyclopentadienyl Radical-Radical Reaction, J. Am. Chem. Soc., 145, 3084-3091 (2023).   (PDF)   (Supplemental Information)  (Data Files)  

557.   C. He, R. I. Kaiser, W. Lu, M. Ahmed, P. S. Pivovarov, O. V. Kuznetsov, M. V. Zagidullin, A. M. Mebel, Unconventional Pathway in the Gas-Phase Synthesis of 9H-Fluorene (C₁₃H₁₀) via the Radical-Radical Reaction of Benzyl (C₇H₇) with Phenyl (C₆H₅), Angew. Chem. Int. Ed. 62, e202216972 (2023).   (PDF)   (Supplemental Information)   (Data Files)

556.   K. Fujioka, R. I. Kaiser, R. Sun, Unsupervised Reaction Pathways Search for the Oxidation of Hypergolic Ionic Liquids: 1‑Ethyl-3-methylimidazolium Cyanoborohydride (EMIM⁺/CBH⁻) as a Case Study, J. Phys. Chem. A, 127, 913-923 (2023).   (PDF)   (Supplemental Information)  

555.   W. Li, L. Zhao, R. I. Kaiser, A Unified Reaction Network on the Formation of Five-Membered Ringed Polycyclic Aromatic Hydrocarbons (PAHs) and Their Role in Ring Expansion Processes Through Radical-Radical Reactions, Phys. Chem. Chem. Phys., 25, 4141-4150 (2023).   (PDF)   (Supplemental Information)  

554.   Z. Yang, B.-J. Sun, C. He, J.-Q Li, A. H. H. Chang, R. I. Kaiser, Gas-Phase Preparation of 1-Germavinylidene (H₂CGe; X¹A₁) – the Isovalent Counterpart of Vinylidene (H₂CC; X¹A₁) - via Non-Adiabatic Dynamics through the Elementary Reaction of Ground State Atomic Carbon (C; ³P) with Germane (GeH₄; X¹A₁), J. Phys. Chem. Lett., 14, 430-436 (2023).   (PDF)   (Supplemental Information)   (Data Files)

553.   J. H. Marks, J. Wang, M. M. Evseev, O. V. Kuznetsov, I. O. Antonov, R. I. Kaiser, Complex Reactive Acids from Methanol and Carbon Dioxide Ice: Glycolic Acid (HOCH₂COOH) and Carbonic Acid Monomethyl Ester (CH₃OCOOH), Astrophys. J., 942, 43 (2023).   (PDF)   (Data Files) 

552.   J. Wang, J. H. Marks, A. M. Turner, A. A. Nikolayev, V. N. Azyazov, A. M. Mebel, R. I. Kaiser, Mechanistical study on the formation of hydroxyacetone (CH₃COCH₂OH), methyl acetate (CH₃COOCH₃), and 3-hydroxypropanal (HCOCH₂CH₂OH) along with their enol tautomers (prop-1-ene-1,2-diol (CH₃C(OH)CHOH), prop-2-ene-1,2-diol (CH₂C(OH)CH₂OH), 1-methoxyethen-1-ol (CH₃OC(OH)CH₂) and prop-1-ene-1,3-diol (HOCH₂CHCHOH)) in interstellar ice analogs, Phys. Chem. Chem. Phys., 25, 936-953 (2023).   (PDF)   (Supplemental Information)   (Data Files) 

551.   J. Wang, J. H. Marks, L. B. Tuli, A. M. Mebel, V. N. Azyazov, R. I. Kaiser, Formation of Thioformic Acid (HCOSH) – The Simplest Thioacid – in Interstellar Ice Analogues, J. Phys. Chem. A, 126, 9699−9708 (2022).   (PDF)   (Supplemental Information)   (Data Files) 

550.   S. K. Singh, N. F. Kleimeier, A. K. Eckhardt, R. I. Kaiser, A Mechanistic Study on the Formation of Acetone (CH₃COCH₃), Propanal (CH₃CH₂CHO), Propylene Oxide (c-CH₃CHOCH₂) along with Their Propenol Enols (CH₃CHCHOH/CH₃C(OH)CH₂) in Interstellar Analog Ices, Astrophys. J., 941, 103 (2022).   (PDF)   (Data Files)

549.   J. H. Marks, J. Wang, R. C. Fortenberry, R. I. Kaiser, Preparation of methanediamine (CH₂(NH₂)₂) - A precursor to nucleobases in the interstellar medium, PNAS, 119, e2217329119 (2022).   (PDF)   (Supplemental Information)   (Data Files)

548.   Z. Yang, G. R. Galimova, C. He, S. Doddipatla, A. M. Mebel, R. I. Kaiser, Gas Phase Formation of 1,3,5,7-Cyclooctatetraene (C₈H₈) through Ring Expansion via the Aromatic 1,3,5-Cyclooctatrien-7-yl Radical (C₈H₉^•) Transient , J. Am. Chem. Soc., 144, 22470-22478 (2022).   (PDF)   (Supplemental Information)   (Data Files)

547.   Y. Luo, C. Kang, R. I. Kaiser, R. Sun, The potential energy profile of the decomposition of 1,1-diamino-2,2-dinitroethylene (FOX-7) in the gas phase, Phys. Chem. Chem. Phys., 24, 26836-26847 (2022).   (PDF)   (Supplemental Information) 

546.   C. He, Z. Yang, S. Doddipatla, A. M. Thomas, R. I. Kaiser, G. R. Galimova, A. M. Mebel, K. Fujioka, R. Sun, Directed Gas Phase Preparation of Ethynylallene (H₂CCCHCCH; X¹A') via the Crossed Molecular Beam Reaction of the Methylidyne Radical (CH; X²Π) with Vinylacetylene (H₂CCHCCH; X¹A'), Phys. Chem. Chem. Phys., 24, 26499-26510 (2022).   (PDF)   (Supplemental Information)  (Data Files)  

545.   R. I. Kaiser, L. Zhao, W. Lu, M. Ahmed, M. M. Evseev, V. N. Azyazov, A. M. Mebel, R. K. Mohamed, F. R. Fischer, X. Li Gas-phase synthesis of racemic helicenes and their potential role in the enantiomeric enrichment of sugars and amino acids in meteorites†, Phys. Chem. Chem. Phys., 24, 25077-25087 (2022).   (PDF)   (Supplemental Information)    

544.   I. Antonov, A. Chyba, S. D. Perea, A. M. Turner, M. L. Pantoya, M. T. Finn, A. Epshteyn, R. I. Kaiser, Discovery of Discrete Stages in the Oxidation of exo-Tetrahydrodicyclopentadiene (C₁₀H₁₆) Droplets Doped with Titanium–Aluminum–Boron Reactive Mixed-Metal Nanopowder, J. Chem. Phys. Lett., 13, 9777-9785 (2022).   (PDF)   (Supplemental Information)   (Data Files)  

543.   D. Paul, Z. Yang, A. G. Suits, D. H. Parker, R. I. Kaiser, Photodissociation Dynamics of Xylene Isomers C₆H₄(CH₃)₂ at 157 nm using an Ultracompact Velocity Map Imaging Spectrometer – The C₇H₇ Channel., Chem. Phys. Lett., 807, 140064 (2022).   (PDF)   (Supplemental Information)   (Data Files)  

542.   R. C. Fortenberry, R. J. McMahon, R. I. Kaiser, 10 Years of the ACS PHYS Astrochemistry Subdivision, J. Phys. Chem. A, 126, 6571-6574 (2022).   (PDF)    

541.   G. Galimova, A. Mebel, S. J. Goettl, Z. Yang, R. I. Kaiser, A Crossed Molecular Beams and Computational Study on the Unusual Reactivity of Banana Bonds of Cyclopropane (c-C₃H₆; X¹A₁') Through Insertion by Ground State Carbon Atoms (C(³P_j)), Phys. Chem. Chem. Phys., 24, 22453-22463 (2022).   (PDF)   (Supplemental Information)   (Data Files)  

540.   D. Paul, Z. Yang, S. J. Goettl, A. M. Thomas, C. He, A. G. Suits, D. H. Parker, R. I. Kaiser, Photodissociation Dynamics of Astrophysically Relevent Propyl Derivatives (C₃H₇X; X = CN, OH, HCO) at 157 nm Exploiting an Ultracompact Velocity Map Imaging Spectrometer: The (Iso)Propyl Channel, J. Phys. Chem. A, 126, 5768-5775 (2022).   (PDF)   (Data Files)  

539.   C. He, Y. Luo, S. Doddipatla, Z. Yang, T. J. Millar, R. Sun, R. I. Kaiser, Gas-Phase Formation of Silicon Monoxide via Non-Adiabatic Reaction Dynamics and Its Role as a Building Block of Interstellar Silicates, Phys. Chem. Chem. Phys., 24, 19761-19772 (2022).   (PDF)   (Supplemental Information)  (Data Files)  

538.   C. Zhu, H. Wang, I. Medvedkov, J. Marks, M. Xu, J. Yang, T. Yang, Y. Pan, R. I. Kaiser, Exploitation of Synchrotron Radiation Photoionization Mass Spectrometry in the Analysis of Complex Organics in Interstellar Model Ices, J. Phys. Chem. Lett., 13, 6875-6882 (2022).   (PDF)   (Supplemental Information)  (Data Files)  

537.   A. M. Turner, Y. Luo, J. H. Marks, R. Sun, J. T. Lechner, T. M. Klapotke, R. I. Kaiser, Exploring the Photochemistry of Solid 1,1-Diamino-2,2-dinitroethylene (FOX-7) Spanning Simple Bond Ruptures, Nitro-to-Nitrite Isomerization, and Nonadiabatic Dynamics, J. Phys. Chem. A, 126, 29, 4747-4761 (2022).   (PDF)   (Supplemental Information)   (Data Files)  

536.   J. Cernicharo, R. Fuentetaja, M. Agundez, R. I. Kaiser, C. Cabezas, N. Marcelino, B. Tercero, J. R. Pardo, P. de Vicente, Discovery of fulvenallene in TMC-1 with the QUIJOTE line survey, Astron. Astrophys. 663, L9 (2022).   (PDF)  

535.   J. Wang, N. F. Kleimeier, R. N. Johnson, S. Gozem, M. J. Abplanalp, A. M. Turner, J. H. Marks, R. I. Kaiser, Photochemically triggered cheletropic formation of cyclopropenone (c-C₃H₂O) from carbon monoxide and electronically excited acetylene, Phys. Chem. Chem. Phys., 24, 17449–17461 (2022).   (PDF)   (Supplemental Information)   (Data Files) 

534.   S. V. Kalenskii, R. I. Kaiser, P. Bergman, A. O. H. Olofsson, K. D. Degtrarev, P. Golysheva, Spectral-line Survey of the Region of Massive Star Formation W51e1/e2 in the 4 mm Wavelength Range, Astrophys. J. 932, 5 (2022).   (PDF)  

533.   C. Zhang, C. Zhu, A. K. Eckhardt, R. I. Kaiser, Formation of the elusive tetrahedral P₃N molecule, Science Advances, 8, eabo5792 (2022).   (PDF)   (Supplemental Information)   (Data Files)

532.   C. He, A. M. Thomas, B. B. Dangi, T. Yang, R. I. Kaiser, H.-C. Lee, B.-J. Sun, A. H. H. Chang, Formation of the Elusive Silylenemethyl Radical (HCSiH₂; X²B₂) via the Unimolecular Decomposition of Triplet Silaethylene (H₂CSiH₂; a³A''), J. Phys. Chem. A, 126, 3347-3357 (2022).   (PDF)   (Supplemental Information)   (Data Files)  

531.   C. He, S. J. Goettl, Z. Yang, R. I. Kaiser, A. A. Nikolayev, V. N. Azyazov, A. M. Mebel, Gas-Phase Preparation of Subvalent Germanium Monoxide (GeO, X¹Σ⁺) via Non-Adiabatic Reaction Dynamics in the Exit Channel, J. Phys. Chem. Lett., 13, 4589-4597 (2022).   (PDF)   (Supplemental Information)   (Data Files)  

530.   Z. Yang, C. He, S. J. Goettl, D. Paul, R. I. Kaiser, M. X. Silva, B. R. L. Galvão, Gas-Phase Preparation of Silyl Cyanide (SiH₃CN) via a Radical Substitution Mechanism, J. Am. Chem. Soc., 144, 8649-8657 (2022).   (PDF)   (Supplemental Information)   (Data Files)

529.   Z. Yang, B.-J. Sun, C. He, S. Fatimah, A. H. H. Chang, R. I. Kaiser, Gas Phase Preparation of the Elusive Monobridged Ge(μ-H)GeH Molecule through Nonadiabatic Reaction Dynamics, Chem. Eur. J., 28, e202103999 (2022).   (PDF)   (Supplemental Information)   (Data Files)

528.   C. Zhang, C. Zhu, A. K. Eckhardt, R. I. Kaiser, Detection of 1H-Triphosphirene (c-HP₃) and 2-Triphosphenylidene (HP₃): The Isovalent Counterparts of 1H-Triazirine (c-HN₃) and Hydrazoic Acid (HN₃). J. Phys. Chem. Lett., 13, 2725-2730 (2022).   (PDF)  (Supplemental Information)   (Data Files)

527.   S. J. Goettl, C. He, D. Paul, A. A. Nikolayev, V. N. Azyazov, A. M. Mebel, R. I. Kaiser, Gas-Phase Study of the Elementary Reaction of the D1-Ethynyl Radical (C₂D; X²Σ⁺) with Propylene (C₃H₆; X¹A^') under Single-Collision Conditions. J. Phys. Chem. A., 126, 1889-1898 (2022).   (PDF)  (Supplemental Information)   (Data Files)  

526.   S. Gobi, Z. Lin, C. Zhu, M. Head-Gordon, R. I. Kaiser Oxygen Isotope Exchange between Carbon Dioxide and Iron Oxides on Mars’ Surface. J Phys Chem Lett 13, 2600-2606 (2022).   (PDF)  (Supplemental Information)    

525.   R. I. Kaiser, L. Zhao, W. Lu, M. Ahmed, V. S. Krasnoukhov, V. N. Azyazov, A. M. Mebel, Unconventional Excited-State Dynamics in the Concerted Benzyl (C₇H₇) Radical Self-Reaction to Anthracene (C₁₄H₁₀). Nat. Commun. 13, 786 (2022).   (PDF)  (Supplemental Information)   (Data Files)  

524.   S. K. Singh, C. Zhu, J. L. Jeunesse, R. C. Fortenberry, R. I. Kaiser, Experimental Identification of Aminomethanol (NH₂CH₂OH) – The Key Intermediate in the Strecker Synthesis, Nat. Commun. 13, 375 (2022).   (PDF)   (Supplemental Information)  (Data Files)  

523.   N. F. Kleimeier, Y. Liu, A. M. Turner, L. A. Young, C. H. Chin, T. Yang, X. He., J. I. Lo, B. M. Cheng, R. I. Kaiser, Excited state photochemically driven surface formation of benzene from acetylene ices on Pluto and in the outer solar system, Phys. Chem. Chem. Phys., 24, 1424-1436 (2022).   (PDF)   (Supplemental Information)  (Data Files)  

522.   S. J. Brotton, S.D. Perera, A. Misra, N. F. Kleimeier, A.M. Turner, R.I. Kaiser, M. Palenik, M. T. Finn, A. Epshteyn, B.-J. Sun, A.H.H. Chang, A Spectroscopic Investigation on the Oxidation of exo-Tetrahydrodicyclopentadiene (JP-10; C₁₀H₁₆) Doped with Titanium-Aluminum-Boron Reactive Metal Nanopowder (RMNP), J. Phys. Chem. A. , 126, 1, 125-144 (2022).   (PDF)   (Supplemental Information)  (Data Files)  

521.   N. F. Kleimeier, R. I. Kaiser, Bottom-Up Synthesis of 1,1-Ethenediol (H₂CC(OH)₂) - the Simplest Unsaturated Geminal Diol - in Interstellar Analogue Ices, J. Phys. Chem. Lett., 24, 229-235 (2022).   (PDF)  (Supplemental Information)   (Data Files)

520.   R.I. Kaiser, L. Zhao, W. Lu, M. Ahmed, M. V. Zagidullin, V.N. Azyazov, A.M. Mebel, Gas-Phase Formation of Benzene (C₆H₆) and Naphthalene (C₁₀H₈) through Resonantly Stabilized Cyclopentadienyl-Mediated Radical-Radical Reactions. J. Phys. Chem Lett. 13, 208-213 (2022).   (PDF)  (Supplemental Information)   (Data Files)  

519.   C. Zhu, N. F. Kleimeier, A. M. Turner, S. K. Singh, R. C. Fortenberry, R. I. Kaiser, Synthesis of methanediol [CH₂(OH)₂]: The simplest geminal diol, PNAS, 119, e2111938119 (2022).   (PDF)   (Supplemental Information)  (Data Files)  

518.   C. He, K. Fujioka, A. A. Nikolayev, L. Zhao, S. Doddipatla, V. N. Azyazov, A. M. Mebel, R. Sun, R. I. Kaiser, A Chemical Dynamics Study of the Reaction of the Methylidyne Radical (CH, X²Π) with Dimethylacetylene (CH₃CCCH₃, X¹A_1g), Phys. Chem. Chem. Phys., 24, 578 (2022).   (PDF)  (Supplemental Information)   (Data Files)

517.   A. Rettig, M. Head-Gordon, S. Doddipatla, Z. Yang, R. I. Kaiser, Crossed Beam Experiments and Computational Studies of Pathways to the Preparation of Singlet Ethynylsilylene (HCCSiH; X¹A′): The Silacarbene Counterpart of Triplet Propargylene (HCCCH; X³B). J. Phys. Chem Lett. 12, 10768-10776 (2021).   (PDF)  (Supplemental Information)   (Data Files)  

516.   J. Cernicharo, M. Agundez, R. I. Kaiser, C. Cabezas, B. Tercero, N. Marcelino, J. R. Pardo, P. de Vicente Discovery of two isomers of ethynyl cyclopentadiene in TMC-1: Abundances of CCH and CN derivatives of hydrocarbon cycles. Astron. Astrophys. 655, L1 (2021).   (PDF)  

515.   A.A. Nikolayev, V.N. Azyazov, R.I. Kaiser, A.M. Mebel, Theoretical Study of the Reaction of the Methylidyne Radical (CH; X²Π) with 1-Butyne (CH₃CH₂CCH; X¹A’). J. Phys. Chem A 125, 9536-9547 (2021).   (PDF)  

514.   A.A. Pershin, A.P. Torbin, P.A. Mikheyev, R.I. Kaiser, A.M. Mebel, V.N. Azyazov, Ozone destruction due to the recombination of oxygen atoms. J. Chem. Phys. 155, 164307 (2021).   (PDF)    

513.   C. He, S. Doddipatla, Z. Yang, S. J. Goettl, R. I. Kaiser, V. N. Azyazov, A. M. Mebel, T. J. Millar, Gas-Phase Synthesis of Silaformaldehyde (H₂SiO) and Hydroxysilylene (HSiOH) in Outflows of Oxygen-rich Asymptotic Giant Branch Stars, Astrophys. J. Lett., 921, L7 (2021).   (PDF)   (Data Files)

512.   C. Zhu, A. Bergantini, S. K. Singh, M. J. Abplanalp, R. I. Kaiser, Rapid Radical–Radical Induced Explosive Desorption of Ice-coated Interstellar Nanoparticles, Astrophys. J., 920, 73 (2021).   (PDF)   (Data Files)  

511.   C. Zhu, A. K. Eckhardt, S. Chandra, A. M. Turner, P. R. Schreiner, R. I. Kaiser, Identification of A Prismatic P₃N₃ Molecule Formed from Electron Irradiated Phosphine-nitrogen Ices, Nat. Commun., 12, 5467 (2021).   (PDF)   (Supplemental Information)  (Data Files)  

510.   Z. Yang, C. He, S. Goettl, R. I. Kaiser, V. N. Azyazov, A. M. Mebel, Directed Gas-Phase Formation of Aminosilylene (HSiNH₂; X¹A'): The Simplest Silicon Analogue of an Aminocarbene, under Single-Collision Conditions, J. Am. Chem. Soc., 143, 14227-14234 (2021).   (PDF)   (Supplemental Information)  (Data Files)  

509.   L. Zhao, M. Prendergast, R. I. Kaiser, B. Xu, W. Lu, M. Ahmed, A. H. Howlader, S. F. Wnuk, A. S. Korotchenko, M. M. Evseev, E. K. Bashkirov, V. N. Azyazovde, A. M. Mebel, A molecular beam and computational study on the barrierless gas phase formation of (iso)quinoline in low temperature extraterrestrial environments, Phys. Chem. Chem. Phys., 23, 18495 (2021).   (PDF)   (Supplemental Information)   (Data Files)

508.   C. He, S. J. Goettl, Z. Yang, S. Doddipatla, R. I. Kaiser, M. X. Silva, B. R. L. Galvão, Directed Gas-Phase Preparation of the Elusive Phosphinosilylidyne (SiPH₂, X²A'') and Cis/Trans Phosphinidenesilyl (HSiPH; X²A') Radicals under Single-Collision Conditions, Phys. Chem. Chem. Phys., 23, 18506 (2021).   (PDF)   (Supplemental Information)   (Data Files)

507.   N. F. Kleimeier, A. K. Eckhardt, R. I. Kaiser, Identification of Glycolaldehyde Enol (HOHC═CHOH) in Interstellar Analogue Ices, J. Am. Chem. Soc., 143, 14009-14018 (2021).   (PDF)   (Supplemental Information)  (Data Files)  

506.   J. Cernicharo, M. Agundez, R. I. Kaiser, C. Cabezas, B. Tercero, N. Marcelino, J. R. Pardo, P. de Vicente, Discovery of Benzyne, o-C₆H₄, in TMC-1 with the QUIJOTE Line Survey, Astron. Astrophys., 652, L9 (2021).   (PDF)  

505.   A. M. Turner, A. Bergantini, A. S. Koutsogiannis, N. F. Kleimeier, S. K. Singh, C. Zhu, A. K. Eckhardt, R. I. Kaiser, A Photoionization Mass Spectrometry Investigation into Complex Organic Molecules Formed in Interstellar Analog Ices of Carbon Monoxide and Water Exposed to Ionizing Radiation, Astrophys. J., 916, 24 (2021).   (PDF)   (Data Files)  

504.   V. S. Krasnoukhov, V. N. Azyazov, A. M. Mebel, S. Doddipatla, Z. Yang, S. Goettl, R. I. Kaiser, Combined Crossed Molecular Beams and Ab Initio Study of the Bimolecular Reaction of Ground State Atomic Silicon (Si; ³P) with Germane (GeH₄; X¹A₁), ChemPhysChem 22, 1497-1504 (2021).   (PDF)   (Supplemental Information)   (Data Files)

503.   S. K. Singh, V. Vuppuluri, B. J. Sun, B. Y. Chang, A. K. Eckhardt, S. F. Son, A. H. H. Chang and R. I. Kaiser, Identification of Elusive Keto and Enol Intermediates in the Photolysis of 1,3,5-Trinitro-1,3,5-Triazinane, J. Phys. Chem. Lett. 12, 6062-6069 (2021).   (PDF)   (Supplemental Information)   (Data Files)

502.   S. Doddipatla, C. He, S. J. Goettl, R. I. Kaiser, B. R. L. Galvão, T. J. Millar, Nonadiabatic Reaction Dynamics to Silicon Monosulfide (SiS): A Key Molecular Building Block to Sulfur-Rich Interstellar Grains, Science Advances, 7, eabg7003 (2021).   (PDF)   (Supplemental Information)   (Data Files)

501.   N. F. Kleimeier, R. I. Kaiser, Interstellar Enolization-Acetaldehyde (CH₃CHO) and Vinyl Alcohol (H₂CCH(OH)) as a Case Study, ChemPhysChem, 22, 1229– 1236 (2021).   (PDF)   (Supplemental Information)    (Data Files)

500.   S. J. Goettl, Z. Yang, S. Doddipatla, C. He, M. O. Alves, B. R. L. Galvão, R. I. Kaiser, A Crossed Molecular Beams and Computational Study of the Formation of the Astronomically Elusive Thiosilaformyl Radical (HSiS, X²A'), J. Phys. Chem. Lett., 12, 5979-5986 (2021).   (PDF)   (Supplemental Information)   (Data Files)

499.   S. J. Goettl, S. Doddipatla, Z. Yang, C. He, R. I. Kaiser, M. X. Silva, B. R. L. Galvão, T. J. Millar, Chemical Dynamics Study on the Gas-Phase Reaction of the D1-Silylidyne Radical (SiD; X²Π) with Deuterium Sulfide (D₂S) and Hydrogen Sulfide (H₂S), Phys. Chem. Chem. Phys., 23, 13647-13661 (2021).   (PDF)   (Supplemental Information)   (Data Files)

498.   Z. Yang, C. He, S. Goettl, R. I. Kaiser, Reaction Dynamics Study of the Molecular Hydrogen Loss Channel in the Elementary Reactions of Ground State Silicon Atoms (Si(³P)) with 1- and 2-Methyl-1,3-Butadiene (C₅H₈), J. Phys. Chem. A, 125, 5040-5047 (2021).   (PDF)   (Data Files)

497.   S. D. Perera, S. J. Brotton, H. Shinsato, R. I. Kaiser, Y. Choi, K. Na, Catalytic Effects of Zeolite Socony Mobil-5 (ZSM-5) on the Oxidation of Acoustically Levitated exo-Tetrahydrodicyclopentadiene (JP-10) Droplets, J. Phys. Chem. A, 125, 4896-4909 (2021).   (PDF)   (Supplemental Information)   (Data Files)

496.   A. M. Turner, S. Chandra, R. C. Fortenberry, R. I. Kaiser, A Photoionization Reflectron Time-of-Flight Mass Spectrometric Study on the Detection of Ethynamine (HCCNH₂) and 2H-Azirine (c-H₂CCHN), ChemPhysChem, 22, 985-994 (2021).   (PDF)   (Supplemental Information)   (Data Files)

495.   L. Zhao, W. Lu, M. Ahmed, M. V. Zagidullin, V. N. Azyazov, A. N. Morozov, A. M. Mebel, R. I. Kaiser, Gas-phase synthesis of benzene via the propargyl radical self-reaction, Science Advances, 7, eabf0360 (2021).   (PDF)   (Supplemental Information)   (Data Files)

494.   C. Zhu, A. Bergantini, S. K. Singh, R. I. Kaiser, A. K. Eckhardt, P. R. Schreiner, Y.-S. Huang, B.-J. Sun, A. H. H. Chang, Formation of phosphine imide (HN=PH₃) and its phosphinous amide (H₂N–PH₂) isomer, Chem. Commun., 57, 4958-4961 (2021).   (PDF)   (Supplemental Information)   (Data Files)

493.   S. K. Singh, A. Bergantini, C. Zhu, M. Ferrari, M. C. D. Sanctis, S. D. Angelis, R. I. Kaiser Origin of Ammoniated Phyllosilicates on Dwarf Planet Ceres and Asteroids, Nat. Commun. 12, 2690 (2021).   (PDF)   (Supplemental Information)   (Data Files)

492.   S. J. Brotton, R. I. Kaiser Effects of Nitrogen Dioxide on the Oxidation of Levitated exo-Tetra-hydro-dicyclopentadiene (JP-10) Droplets Doped with Aluminum Nanoparticles, J. Phys. Chem. A, 125, 2727-2742 (2021).   (PDF)   (Supplemental Information)   (Data Files)

491.   N. F. Kleimeier, M. J. Abplanalp, R. N. Johnson, S. Gozem , J. Wandishin, C. N. Shingledecker, R. I. Kaiser Cyclopropenone (c-C₃H₂O) as a Tracer of the Nonequilibrium Chemistry Mediated by Galactic Cosmic Rays in Interstellar Ices, Astrophys. J., 911, 24 (2021).   (PDF)   (Data Files)

490.   R. I. Kaiser, N. Hansen, An Aromatic Universe−A Physical Chemistry Perspective, J. Phys. Chem. A., 125, 3826-3840 (2021).   (PDF)   (Figure Files)

489.   Z. Yang, B.-J. Sun, C. He, S. Goettl, Y.-T. Lin, A. H. H. Chang, R. I. Kaiser, Combined Experimental and Computational Study on the Reaction Dynamics of the D1-Silylidyne (SiD) - Silane (SiH₄) System, J. Phys. Chem. A, 125, 2472-2479 (2021).   (PDF)   (Supplemental Information)   (Data Files)

488.   L. Zhao, S. Doddipatla, R. I. Kaiser, W. Lu, O. Kostko, M. Ahmed, L. B. Tuli, A. N. Morozov, A. H. Howlader, S. F. Wnuk, A. M. Mebel, V. N. Azyazov, R. K. Mohamed, F. R. Fischer, Gas-phase synthesis of corannulene - a molecular building block of fullerenes, Phys. Chem. Chem. Phys., 23, 5740-5749 (2021).   (PDF)   (Supplemental Information)    (Data Files)

487.   S. Chandra, A. K. Eckhardt, A. M. Turner, G. Tarczay, R. I. Kaiser, A Photoionization Study on the Detection of 1-Sila Glycoaldehyde (HSiOCH₂OH), 2-Sila Acetic Acid (H₃SiCOOH), and 1,2-Disila Acetaldehyde (HSiOSiH₃), Chem. Eur. J., 27, 4939-4945 (2021).   (PDF)   (Supplemental Information)   (Data Files)

486.   C. He, Z. Yang, S. Doddipatla, L. Zhao, S. Goettl, R. I. Kaiser, M. X. Silva, B. R. L. Galvão, Non-Adiabatic Reaction Dynamics in the Gas-Phase Formation of Phosphinidenesilylene, the Isovalent Counterpart of Hydrogen Isocyanide, under Single-Collision Conditions, J. Phys. Chem. Lett., 12, 2489-2495 (2021).   (PDF)   (Supplemental Information)   (Data Files)

485.   Z. Yang, S. Doddipatla, R. I. Kaiser, A. A. Nikolayev, V. N. Azyazov, A. M. Mebel, On the Synthesis of the Astronomically Elusive 1-Ethynyl-3-Silacyclopropenylidene (c-SiC₄H₂) Molecule in Circumstellar Envelopes of Carbon-rich Asymptotic Giant Branch Stars and Its Potential Role in the Formation of the Silicon Tetracarbide Chain (SiC₄), Astrophys. J. Lett., 908, L40 (2021).   (PDF)   (Data Files)

484.   S. K. Singh, R. I. Kaiser, A Vacuum Ultraviolet Photoionization Study on the Isomerization, Decomposition, and Molecular Mass Growth Processes in Solid Nitromethane (CH₃NO₂), Chem. Phys. Lett., 766, 138343 (2021).   (PDF)   (Data Files)

483.   C. He, A. A. Nikolayev, L. Zhao, A. M. Thomas, S. Doddipatla, G. R. Galimova, V. N. Azyazov, A. M. Mebel, R. I. Kaiser, Gas-Phase Formation of C₅H₆ Isomers via the Crossed Molecular Beam Reaction of the Methylidyne Radical (CH; X²Π) with 1,2-Butadiene (CH₃CHCCH₂; X¹A'), J. Phys. Chem. A 125, 126-138 (2021).   (PDF)   (Supplemental Information)   (Data Files)

482.   S. Doddipatla, G. R. Galimova, H. Wei, A. M. Thomas, C. He, Z. Yang, A. N. Morozov, C. N. Shingledecker, A. M. Mebel, R. I. Kaiser, Low-temperature Gas-phase Formation of Indene in the Interstellar Medium, Science Advances, 7, eabd4044 (2021).   (PDF)   (Supplemental Information)   (Data Files)

481.   Z. Yang, S. Doddipatla, R. I. Kaiser, V. S. Krasnoukhov, V. N. Azyazov, A. M. Mebel, Directed Gas Phase Formation of the Elusive Silylgermylidyne Radical (H₃SiGe, X²A^''), ChemPhysChem, 22, 184-191 (2021).   (PDF)   (Supplemental Information)   (Data Files)

480.   A. M. Turner, R. I. Kaiser, Exploiting Photoionization Reflectron Time-of-Flight Mass Spectrometry to Explore Molecular Mass Growth Processes to Complex Organic Molecules in Interstellar and Solar System Ice Analogs , Acc. Chem. Res., 53, 2791-2805 (2020).   (PDF)   (Figure Files)

479.   S. K. Singh, J. L. Jeunesse, C. Zhu, N. F. Kleimeier, K. H. Chen, B. J. Sun, A. H. H. Chang, R. I. Kaiser, Gas Phase Identification of the Elusive Oxaziridine (cyclo-H₂CONH) – An Optically Active Molecule , Chem. Commun., 56, 15643-15646 (2020).   (PDF)   (Supplemental Information)   (Data Files)

478.   C. He, G. R. Galimova, Y. Luo, L. Zhao, A. K. Eckhardt, R. Sun, A. M. Mebel, R. I. Kaiser, A Chemical Dynamics Study on the Gas-phase Formation of Triplet and Singlet C₅H₂ Carbenes, PNAS, 117, 30142-30150 (2020).   (PDF)   (Supplemental Information)   (Data Files)

477.   N. F. Kleimeier, A. K. Eckhardt, P. R. Schreiner, R. I. Kaiser, Interstellar Formation of Biorelevant Pyruvic Acid (CH₃COCOOH), Chem, 6, 1-11 (2020).   (PDF)   (Supplemental Information)   (Data Files)

476.   A. H. Howlader, K. Diaz, A. M. Mebel, R. I. Kaiser, S. F. Wnuk Iodoindenes: Synthesis and application to cross-coupling, Tetrahedron Lett., 61, 152427 (2020).   (PDF)   (Supplemental Information)  

475.   Z. Yang, S. Doddipatla, C. He, V. S. Krasnoukhov, V. N. Azyazov, A. M. Mebel, R. I. Kaiser, Directed Gas Phase Formation of Silene (H₂SiCH₂), Chem. Eur. J., 26, 13584-13589 (2020).   (PDF)   (Supplemental Information)   (Data Files)

474.   L. Zhao, R. I. Kaiser, W. Lu, O. Kostko, M. Ahmed, M. M. Evseev, E. K. Bashikirov, A. D. Oleinikov, V. N. Azyazov, A. M. Mebel, A. H. Howlader, S. F. Wnuk, Gas phase formation of cyclopentanaphthalene (benzindene) isomers via reactions of 5- and 6-indenyl radicals with vinylacetylene, Phys. Chem. Chem. Phys. 22, 22493-22500 (2020).   (PDF)   (Supplemental Information)   (Data Files)

473.   N. F. Kleimeier, A. K. Eckhardt, R. I. Kaiser, A Mechanistic Study on the Formation of Acetic Acid (CH₃COOH) in Polar Interstellar Analog Ices Exploiting Photoionization Reflectron Time–of–flight Mass Spectrometry , Astrophys. J., 901, 84 (2020).   (PDF)   (Data Files)

472.   S. Doddipatla, Z. Yang, A. M. Thomas, Y. Chen, B. Sun, A. H. H. Chang, A. M. Mebel, R. I. Kaiser, Gas Phase Synthesis of the Elusive Trisilacyclopropyl Radical (Si₃H₅) via Unimolecular Decomposition of Chemically Activated Doublet Trisilapropyl Radicals (Si₃H₇), J. Phys. Chem. Lett., 11, 7874-7881 (2020).   (PDF)   (Supplemental Information)   (Data Files)

471.   Z. Yang, C. He, S. Doddipatla, V. S. Krasnoukhov, V. N. Azyazov, A. M. Mebel, R. I. Kaiser, Gas Phase Formation of Methylgermylene (HGeCH₃), ChemPhysChem, 21, 1898-1904 (2020).   (PDF)   (Supplemental Information)   (Data Files)

470.   S. K. Singh, V. Vuppuluri, S. F. Son, R. I. Kaiser, Investigating the Photochemical Decomposition of Solid 1,3,5-Trinitro-1,3,5-triazinane (RDX), J. Phys. Chem. A, 124, 6801-6823 (2020).   (PDF)   (Supplemental Information)   (Data Files)

469.   S. Doddipatla, C. He, R. I. Kaiser, Y. Luo, R. Sun, G. R. Galimova, A. M. Mebel, T. J. Millar, A Chemical Dynamics Study on the Gas Phase Formation of Thioformaldehyde (H₂CS) and its Thiohydroxycarbene Isomer (HCSH), PNAS, 117, 22712-22719 (2020).   (PDF)   (Supplemental Information)   (Data Files)

468.   C. Zhu, A. M. Turner, M. J. Abplanalp, R. I. Kaiser, B. Webb, G. Siuzdak, R. C. Fortenberry, An Interstellar Synthesis of Glycerol Phosphates, Astrophys. J. Lett., 899, L3 (2020).   (PDF)   (Data Files)

467.   C. Zhu, A. K. Eckhardt, A. Bergantini, S. K. Singh, P. R. Schreiner, R. I. Kaiser, The elusive cyclotriphosphazene molecule and its Dewar benzene–type valence isomer (P₃N₃), Science Advances, 6, eaba6934 (2020).   (PDF)   (Supplemental Information)   (Data Files)

466.   N. F. Kleimeier, A. M. Turner, R. C. Fortenberry, R. I. Kaiser, On the Formation of the Popcorn Flavorant 2,3-Butanedione (CH₃COCOCH₃) in Acetaldehyde-Containing Interstellar Ices, ChemPhysChem 21, 1531– 1540 (2020).   (PDF)   (Supplemental Information)   (Data Files)

465.   L. Zhao, R. I. Kaiser, W. Lu, M. Ahmed, A. D. Oleinikov, V. N. Azyazov, A. M. Mebel, A. H. Howlader, S. F. Wnuk, Gas phase formation of phenalene via 10π-aromatic, resonantly stabilized free radical intermediates, Phys. Chem. Chem. Phys. 22, 15381-15388 (2020).   (PDF)   (Supplemental Information)   (Data Files)

464.   L. Zhao, R. I. Kaiser, W. Lu, M. Ahmed, M. M. Evseev, E. K. Bashkirov, V. N. Azyazov, C. Tönshoff, F. Reicherter, H. F. Bettinger, A. M. Mebel, A Free Radical Prompted Barrierless Gas-Phase Synthesis of Pentacene, Angew. Chem. Int. Ed. 59, 11334–11338 (2020).   (PDF)   (Supplemental Information)   (Data Files)

463.   S. K. Singh, T. Y. Tsai, B. J. Sun, A. H. H. Chang, A. M. Mebel, R. I. Kaiser, Gas Phase Identification of the Elusive N-Hydroxyoxaziridine (c-H₂CON(OH)): A Chiral Molecule, J. Phys. Chem. Lett., 11, 5383-5389 (2020).   (PDF)   (Supplemental Information)   (Data Files)

462.   C. He, L. Zhao, S. Doddipatla, A. M. Thomas, A. A. Nikolayev, G. R. Galimova, V. N. Azyazov, A. M. Mebel, R. I. Kaiser, Gas-Phase Synthesis of 3-Vinylcyclopropene via the Crossed Beam Reaction of the Methylidyne Radical (CH; X²Π) with 1,3-Butadiene (CH₂CHCHCH₂; X¹A_g), ChemPhysChem, 21, 1295-1309 (2020).   (PDF)   (Supplemental Information)   (Data Files)

461.   A. M. Turner, A. Koutsogiannis, N. F. Kleimeier, A. Bergantini, C. Zhu, R. C. Fortenberry, R. I. Kaiser, An Experimental and Theoretical Investigation into the Formation of Ketene and Ethynol (HCCOH) in Interstellar Analog Ices, Astrophys. J., 896, 88, (2020).   (PDF)   (Data Files)

460.   S. J. Brotton, M. J. Malek, S. L. Anderson, R. I. Kaiser, Effects of acetonitrile-assisted ball-milled aluminum nanoparticles on the ignition of acoustically levitated exo-tetrahydrodicyclopentadiene (JP-10) droplets, Chem. Phys. Lett. 754, 137679 (2020).   (PDF)   (Supplemental Information)   (Data Files)

459.   L. Zhao, W. Y. Chen, H. J. Su, J. Z. Yang, R. I. Kaiser, A vacuum ultraviolet photoionization study on oxidation of JP-10 (exo-Tetrahydrodicyclopentadiene), Chem. Phys. Lett. 754, 137490 (2020).   (PDF)   (Supplemental Information)   (Data Files)

458.   S. J. Brotton and R. I. Kaiser, Controlled Chemistry via Contactless Manipulation and Merging of Droplets in an Acoustic Levitator, Anal. Chem, 92, 8371-8377 (2020).   (PDF)   (Supplemental Information)   (Data Files)

457.   S. K. Singh, J. L. Jeunesse, V. Vuppuluri, S. F. Son, B. J. Sun, Y. L. Chen, A. H. H. Chang, A. M. Mebel, R. I. Kaiser, The Elusive Ketene (H₂CCO) Channel in the Infrared Multiphoton Dissociation of Solid 1,3,5-Trinitro-1,3,5-Triazinane (RDX), ChemPhysChem, 21, 837-842 (2020).   (PDF)   (Supplemental Information)   (Data Files)

456.   L. Zhao, R. I. Kaiser, B. Xu, U. Ablikim, M. Ahmed, M. M. Evseev, E. K. Bashkirov, V. N. Azyazov, A. M. Mebel, A Unified Mechanism on the Formation of Acenes, Helicenes, and Phenacenes in the Gas Phase, Angew. Chem. Int. Ed. 59, 4051-4058 (2020).   (PDF)   (Supplemental Information)   (Data Files)

455.   M. Lucas, S. J. Brotton, A. Min, C. Woodruff, M. L. Pantoya, and R. I. Kaiser, Effects of Size and Prestressing of Aluminum Particles on the Oxidation of Levitated exo-Tetrahydrodicyclopentadiene Droplets, J. Phys. Chem. A., 124, 1489-1507 (2020).   (PDF)   (Supplemental Information)   (Data Files)

454.   C. He, A. M. Thomas, G. R. Galimova, A. N. Morozov, A. M. Mebel, R. I. Kaiser, Gas-Phase Formation of Fulvenallene (C₇H₆) via the Jahn-Teller Distorted Tropyl (C₇H₇) Radical Intermediate under Single-Collision Conditions, J. Am. Chem. Soc., 142, 3205-3213 (2020).   (PDF)   (Supplemental Information)   (Data Files)

453.   C. Zhu, A. M. Turner, C. Meinert, R. I. Kaiser, On the Production of Polyols and Hydroxycarboxylic Acids in Interstellar Analogous Ices of Methanol, Astrophy. J. 889, 134 (2020).   (PDF)   (Data Files)

452.   M. J. Abplanalp, R. I. Kaiser, Implications for Extraterrestrial Hydrocarbon Chemistry: Analysis of acetylene (C₂H₂) and D2-acetylene (C₂D₂) Ices Exposed to Ionizing Radiation via Ultraviolet-Visible Spectroscopy, Infrared Spectroscopy, and Reflectron Time-of-flight Mass Spectrometry, Astrophy. J. 889, 3 (2020).   (PDF)   (Data Files)

451.   C. Zhu, S. Góbi, M. J. Abplanalp, R. Frigge, J. J. Gillis-Davis, R. I. Kaiser, Space Weathering‐Induced Formation of Hydrogen Sulfide (H₂S) and Hydrogen Disulfide (H₂S₂) in the Murchison Meteorite, J. Geophys. Res.-Planet. 124, 2772-2779 (2019).   (PDF)   (Supplemental Information)   (Data Files)

450.   C. He, A. M. Thomas, G. R. Galimova, A. M. Mebel, R. I. Kaiser, Gas-Phase Formation of 1-Methylcyclopropene and 3-Methylcyclopropene via the Reaction of the Methylidyne Radical (CH; X²Π) with Propylene (CH₃CHCH₂; X¹A'), J. Phys. Chem. A 123, 10543-10555 (2019).   (PDF)   (Supplemental Information)   (Data Files)

449.   P. B. Crandall, J. J. Gillis-Davis, R. I. Kaiser, Untangling the Origin of Molecular Hydrogen in the Lunar Exosphere, Astrophys. J. 887, 1 (2019).   (PDF)   (Data Files)

448.   A. M. Thomas, S. Doddipatla, R. I. Kaiser, G. R. Galimova, A. M. Mebel, A Barrierless Pathway Accessing the C₉H₉ and C₉H₈ Potential Energy Surfaces via the Elementary Reaction of Benzene with 1-Propynyl, Sci. Rep. 9, 17595 (2019).   (PDF)   (Supplemental Information)   (Data Files)

447.   L. Zhao, M. B. Prendergast, R. I. Kaiser, B. Xu, U. Ablikim, M. Ahmed, B-J Sun, Y-L Chen, A. H. H. Chang, R. K. Mohamed, F. R. Fischer, Synthesis of Polycyclic Aromatic Hydrocarbons by Phenyl Addition–Dehydrocyclization: The Third Way, Angew. Chem., Int. Ed. 58, 17442-17450 (2019).   (PDF)   (Supplemental Information)   (Data Files)

446.   S. K. Singh, C. Zhu, V. Vuppuluri, S. F. Son, R. I. Kaiser, Probing the Reaction Mechanisms Involved in the Decomposition of Solid 1,3,5-Trinitro-1,3,5-triazinane by Energetic Electrons, J. Phys. Chem. A 123, 9479-9497 (2019).   (PDF)   (Supplemental Information)   (Data Files)

445.   C. He, L. Zhao, A. M. Thomas, G. R. Galimova, A. M. Mebel, R. I. Kaiser, A Combined Experimental and Computational Study on the Reaction Dynamics of the 1-Propynyl Radical (CH₃CC; X²A₁) with Ethylene (H₂CCH₂; X¹A_1g) and the Formation of 1-Penten-3-yne (CH₂CHCCCH₃; X¹A'), Phys. Chem. Chem. Phys, 21, 22308-22319 (2019).   (PDF)   (Supplemental Information)   (Data Files)

444.   M. J. Abplanalp, R. Frigge, R. I. Kaiser, Low-temperature synthesis of polycyclic aromatic hydrocarbons in Titan's surface ices and on airless bodies, Science Advances, 5, eaaw5841 (2019).    (PDF)   (Supplemental Information)   (Data Files)

443.   A. M. Thomas, L. Zhao, C. He, G. R. Galimova, A. M. Mebel, R. I. Kaiser, Directed Gas-Phase Synthesis of Triafulvene under Single-Collision Conditions, Angew. Chem., Int. Ed., 58, 15488-15495 (2019).    (PDF)   (Supplemental Information)   (Data Files)

442.   C. Zhu, S. Góbi, M. J. Abplanalp, R. Frigge, J. J. Gillis-Davis, G. Dominguez, K. Miljković, R. I. Kaiser, Regenerative water sources on surfaces of airless bodies, Nat. Astron., 4, 45-52 (2020).    (PDF)   (Supplemental Information)   (Data Files)

441.   M. Lucas, S.J. Brotton, A. Min, M.L. Pantoya, R.I. Kaiser, Oxidation of Levitated exo-Tetrahydrodicyclopentadiene Droplets Doped With Aluminum Nanoparticles, J. Phys.Chem. Lett., 10, 5756-5763 (2019).   (PDF)   (Supplemental Information)   (Data Files)

440.   C. Zhu, R. Frigge, A. Bergantini, R. C. Fortenberry, R. I. Kaiser, Untangling the Formation of Methoxymethanol (CH₃OCH₂OH) and Dimethyl Peroxide (CH₃OOCH₃) in Star-forming Regions, Astrophys. J., 881, 156 (2019).    (PDF)   (Data Files)

439.   R.I. Kaiser Reaction Dynamics in Extreme Environments and Astrochemistry, ChemPhysChem, 20, 2014-2015 (2019).   (PDF)  

438.   L. Zhao, R.I. Kaiser, W. Lu, B. Xu, M. Ahmed, A.N. Morozov, A.M. Mebel, A.H. Howlader, S.F. Wnuk, Molecular mass growth through ring expansion in polycyclic aromatic hydrocarbons via radical–radical reactions, Nat. Commun. 10, 3689 (2019).   (PDF)   (Supplemental Information)   (Data Files)

437.   A. M. Turner, M. J. Abplanalp, A. Bergantini, R. Frigge, C. Zhu, B.-J. Sun, C.-T. Hsiao, A. H. H. Chang, C. Meinert, R.I. Kaiser, Origin of alkylphosphonic acids in the interstellar medium, Science Advances, 5, eaaw4307 (2019).   (PDF)   (Supplemental Information)   (Data Files)

436.   M. J. Abplanalp, R.I. Kaiser, On the formation of complex organic molecules in the interstellar medium: untangling the chemical complexity of carbon monoxide-hydrocarbon containing ice analogues exposed to ionizing radiation via a combined infrared and reflectron time-of-flight analysis, Phys. Chem. Chem. Phys., 21, 16949-16980 (2019).   (PDF)   (Supplemental Information)   (Data Files)

435.   C. He, A. M. Thomas, G. R. Galimova, A.M. Mebel, R.I. Kaiser, Gas Phase Formation of the Interstellar Molecule Methyltriacetylene, ChemPhysChem, 20, 1912-1917 (2019).   (PDF)   (Supplemental Information)   (Data Files)

434.   L. Zhao, M. Prendergast, R.I. Kaiser, B. Xu, U. Ablikim, W. Lu, M. Ahmed, A.D. Oleinikov, V.N. Azyazov, A.H. Howlader, S.F. Wnuk, A.M. Mebel, How to add a five-membered ring to polycyclic aromatic hydrocarbons (PAHs) – molecular mass growth of the 2-naphthyl radical (C₁₀H₇) to benzindenes (C₁₃H₁₀) as a case study, Phys. Chem. Chem. Phys. 21, 16737-16750 (2019).   (PDF)   (Supplemental Information)   (Data Files)

433.   T. Yang, L. Bertels, B.B. Dangi, X. Li, M. Head-Gordon, R.I. Kaiser, Gas phase formation of c-SiC₃ molecules in the circumstellar envelope of carbon stars, PNAS 116, 14471-14478 (2019).   (PDF)   (Supplemental Information)   (Data Files)

432.   C. He, L. Zhao, A. M. Thomas, A. N. Morozov, A. M. Mebel, R. I. Kaiser, Elucidating the Chemical Dynamics of the Elementary Reactions of the 1-Propynyl Radical (CH₃CC; X²A₁) with Methylacetylene (H₃CCCH; X¹A₁) and Allene (H₂CCCH₂; X¹A₁), J. Phys. Chem. A, 123, 5446-5462 (2019).   (PDF)   (Supplemental Information)   (Data Files)

431.   L. Zhao, M.B. Prendergast, R.I. Kaiser, B. Xu, W. Lu, U. Ablikim, M. Ahmed, A.D. Oleinikov, V.N. Azyazov, A.M. Mebel, A.H. Howlader, S.F. Wnuk, Reactivity of the Indenyl Radical (C₉H₇) with Acetylene (C₂H₂) and Vinylacetylene (C₄H₄), ChemPhysChem, 20, 1437-1447 (2019).   (PDF)   (Supplemental Information)   (Data Files)

430.   C. Zhu, P.B. Crandall, J. J. Gillis-Davis, H. A. Ishii, J. P. Bradley, L. M. Corley, R. I. Kaiser, Untangling the Formation and Liberation of Water in the Lunar Regolith, PNAS, 116, 11165-11170 (2019).   (PDF)   (Supplemental Information)   (Data Files)

429.   A. M. Thomas, C. He, L. Zhao, G. R. Galimova, A. M. Mebel, R. I. Kaiser, Combined Experimental and Computational Study on the Reaction Dynamics of the 1-Propynyl (CH₃CC)-1,3-Butadiene (CH₂CHCHCH₂) System and the Formation of Toluene under Single Collision Conditions, J. Phys. Chem. A, 123, 4104-4118 (2019).   (PDF)   (Supplemental Information)   (Data Files)

428.   A. Eckhardt, A. Bergantini, S. Singh, P.R. Schreiner, R.I. Kaiser, Formation of Glyoxylic Acid in Interstellar Ices: A Key Entry Point for Prebiotic Chemistry, Angew. Chem., Int. Ed. 58, 17, 5663-5667 (2019).   (PDF)   (Supplemental Information)   (Data Files)

427.   L. Zhao, R.I. Kaiser, B. Xu, U. Ablikim, W. Lu, M. Ahmed, M.M. Evseev, E.K. Bashkirov, V.N. Azyazov, M.V. Zagidullin, A.N. Morozov, A.H. Howlader, S.F. Wnuk, A.M. Mebel, D. Joshi, G. Veber, F.R. Fischer, Gas phase synthesis of [4]-helicene, Nat. Commun. 10, 1510-1517 (2019).   (PDF)   (Supplemental Information)   (Data Files)

426.   L. Zhao, R.I. Kaiser, B. Xu, U. Ablikim, W. Lu, M. Ahmed, M.M. Evseev, E.K. Bashkirov, V.N. Azyazov, A.H. Howlader, S.F. Wnuk, A.M. Mebel, Gas-Phase Synthesis of Triphenylene (C₁₈H₁₂), ChemPhysChem 20, 791-797 (2019).   (PDF)   (Supplemental Information)   (Data Files)

425.   M.J. Abplanalp, S. Góbi, R.I. Kaiser, On the Formation and the Isomer Specific Detection of Methylacetylene (CH₃CCH), Propene (CH₃CHCH₂), Cyclopropane (c-C₃H₆), Vinylacetylene (CH₂CHCCH), and 1,3-Butadiene (CH₂CHCHCH₂) from Interstellar Methane Ice Analogues, Phys. Chem. Chem. Phys. 21, 5378-5393 (2019).   (PDF)   (Supplemental Information)   (Data Files)

424.   A. M. Thomas, B. B. Dangi, T. Yang, G. Tarczay, R. I. Kaiser, B.-J. Sun, S.-Y. Chen, A. H. H. Chang, T. L Nguyen, J. F. Stanton, A. M. Mebel, Directed Gas-Phase Formation of the Germaniumsilylene Butterfly Molecule (Ge(μ-H₂)Si), J. Phys. Chem. Lett. 10, 1264−1271 (2019).   (PDF)   (Supplemental Information)   (Data Files)

423.   S. J. Brotton, R. I. Kaiser, Spectroscopic Study on the Polymer Condensates Formed via Pyrolysis of Levitated Droplets of Dicyanamide-Containing Ionic Liquids, J. Phys. Chem. A 123, 1153−1167 (2019).   (PDF)   (Supplemental Information)   (Data Files)

422.   M. Lucas, S.J. Brotton, J.A.P. Sprenger, M. Finze, S.K. Sharma, R.I. Kaiser, Oxidation of a Levitated 1-Butyl-3-methylimidazolium Dicyanoborate Droplet by Nitrogen Dioxide, J. Phys. Chem. A 123, 780-795 (2019).   (PDF)   (Supplemental Information)   (Data Files)

421.   C. Zhu, R. Frigge, A.M. Turner, M.J. Abplanalp, B.-J. Sun, Y.-L. Chen, A.H.H. Chang, R.I. Kaiser, A vacuum ultraviolet photoionization study on the formation of methanimine (CH₂NH) and ethylenediamine (NH₂CH₂CH₂NH₂) in low temperature interstellar model ices exposed to ionizing radiation, Phys. Chem. Chem. Phys. 21, 1952-1962, (2019).   (PDF)   (Supplemental Information)  (Data Files)

420.   A. M. Thomas, B.B. Dangi, T. Yang, R.I. Kaiser, B.-J. Sun, T.-J. Chou, A.H.H. Chang, A Crossed Molecular Beams Investigation of the Reactions of Atomic Silicon (Si(³P)) with C₄H₆ Isomers (1,3-Butadiene, 1,2-Butadiene, and 1-Butyne), Chem. Phys. 520, 70-80, (2019).   (PDF)   (Supplemental Information)   (Data Files)

419.   M. Lucas, S.J. Brotton, S.K. Shukla, J. Yu, S.L. Anderson, R.I. Kaiser, Oxidation of a Levitated Droplet of 1-Allyl-3-methylimidazolium Dicyanamide by Nitrogen Dioxide, J. Phys. Chem. A 123, 400-416, (2019).   (PDF)   (Supplemental Information)   (Data Files)

418.   M.V. Zagidullin, R.I. Kaiser, D.P. Porfiriev, I.P. Zavershinskiy, M. Ahmed, V.N. Azyazov, A.M. Mebel, Functional Relationships between Kinetic, Flow, and Geometrical Parameters in a High-Temperature Chemical Microreactor, J. Phys. Chem. A, 8819–8827, (2018).   (PDF)   (Supplemental Information)

417.   L. Zhao, R.I. Kaiser, B. Xu, U. Ablikim, M. Ahmed, M.M. Evseev, E.K. Bashkirov, V.N. Azyazov, A.M. Mebel, Low-Temperature Formation of Polycyclic Aromatic Hydrocarbons in Titan's Atmosphere, Nat. Astron. 2, 973–979, (2018).   (PDF)   (Supplemental Information)   (Data Files)

416.   S.J. Brotton, M. Lucas, T.N. Jensen, S.L. Anderson, R.I. Kaiser, Spectroscopic Study on the Intermediates and Reaction Rates in the Oxidation of Levitated Droplets of Energetic Ionic Liquids by Nitrogen Dioxide, J. Phys. Chem. A 122, 7351-7377 (2018).   (PDF)   (Data Files)

415.   A.M. Turner, A. Bergantini, M.J. Abplanalp, C. Zhu, S. Góbi, B-J Sun, K-H Chao, A.H.H. Chang, C. Meinert, R.I. Kaiser An interstellar synthesis of phosphorus oxoacids, Nat. Commun. 9, 3851 (2018).   (PDF)   (Supplemental Information)   (Data Files)

414.   R. Frigge, C. Zhu, A.M. Turner, M.J. Abplanalp, B-J Sun, Y-S Huang, A.H.H. Chang, R.I. Kaiser, Synthesis of the hitherto elusive formylphosphine (HCOPH₂) in the interstellar medium - a molecule with an exotic phosphorus peptide bond, Chem. Comm. 54, 10152-10155 (2018).   (PDF)   (Supplemental Information)   (Data Files)

413.   M. Lucas, A. M. Thomas, T. Yang, R. I. Kaiser, A. M. Mebel, D. Hait, and M. Head-Gordon, Bimolecular Reaction Dynamics in the Phenyl-Silane System: Exploring the Prototype of a Radical Subsitition Mechanism, J. Phys. Chem. Lett. 9, 5135-5142 (2018).   (PDF)   (Supplemental Information)   (Data Files)

412.   A. M. Thomas, L. Zhao, C. He, A.M. Mebel, R.I. Kaiser, A Combined Experimental and Computational Study on the Reaction Dynamics of the 1-Propynyl (CH₃CC)-Acetylene (HCCH) System and the Formation of Methyldiacetylene (CH₃CCCCH), J. Phys. Chem. A 122, 6663-6672 (2018).   (PDF)   (Data Files)

411.   A. Bergantini, C. Zhu, R.I. Kaiser, A Photoionization Reflectron Time-of-flight Mass Spectrometric Study on the Formation of Acetic Acid (CH₃COOH) in Interstellar Analog Ices, Astrophys. J. 862, 140  (2018).   (PDF)   (Data Files)

410.   R. Frigge, C. Zhu, A.M. Turner, M.J. Abplanalp, A. Bergantini, B-J Sun, Y-L Chen, A.H.H. Chang, R. I. Kaiser, A Vacuum Ultraviolet Photoionization Study on the Formation of N-methyl Formamide (HCONHCH₃) in Deep Space: A Potential Interstellar Molecule with a Peptide Bond, Astrophys. J. 862, 84  (2018).   (PDF)   (Data Files)

409.   A. Bergantini, M.J. Abplanalp, P. Pokhilko, A.I. Krylov, C.N. Shingledecker, E. Herbst, R.I. Kaiser, A Combined Experimental and Theoretical Study on the Formation of Interstellar Propylene Oxide (CH₃CHCH₂O)-A Chiral Molecule, Astrophys. J. 860, 108  (2018).   (PDF)   (Data Files)

408.   A.N. Morozov, A.M. Mebel, R.I. Kaiser A Theoretical Study of Pyrolysis of exo-Tetrahydrodicyclopentadiene and Its Primary and Secondary Unimolecular Decomposition Products, J. Phys. Chem. A. 122, 4920-4934  (2018).   (PDF)   (Supplemental Information)

407.   A. M. Thomas, B.B. Dangi, T. Yang, R.I. Kaiser, L. Lin, T-J Chou, A.H.H. Chang Are Nonadiabatic Reaction Dynamics the Key to Novel Organosilicon Molecules? The Silicon (Si(³P))-Dimethylacetylene (C₄H₆(X¹A_1g)) System as a Case Study, J. Phys. Chem. Lett. 9, 3340-3347  (2018).   (PDF)   (Supplemental Information)   (Data Files)

406.   C. Zhu, R. Frigge, A.M. Turner, R.I. Kaiser, B-J Sun, S-Y Chen, A.H.H. Chang First identification of unstable phosphino formic acid (H₂PCOOH), Chem. Comm. 54, 5716-5719  (2018).   (PDF)   (Supplemental Information)   (Data Files)

405.   A. Bergantini, R. Frigge, R.I. Kaiser Constraining the Molecular Complexity in the Interstellar Medium-The Formation of Ethyl Methyl Ether (CH₃OCH₂CH₃) in Star-forming Regions, Astrophys. J. 859, 59  (2018).   (PDF)   (Data Files)

404.   L. Zhao, R.I. Kaiser, B. Xu, U. Ablikim, M. Ahmed, M.V. Zagidullin, V.N. Azyazov, A.H. Howlader, S.F. Wnuk, A.M. Mebel VUV Photoionization Study on the Formation of the Simplest Polycyclic Aromatic Hydrocarbon: Naphthalene (C₁₀H₈), J. Phys. Chem. Lett. 9, 2620-2626  (2018).   (PDF)   (Supplemental Information)   (Data Files)

403.   D. Belisario-Lara, A.M. Mebel, R.I. Kaiser Computational Study on the Unimolecular Decomposition of JP-8 Jet Fuel Surrogates III: Butylbenzene Isomers (n-, s-, and t-C₁₄H₁₀), J. Phys. Chem. A, 122, 3980-4001  (2018).   (PDF)

402.   L. Zhao; R.I. Kaiser, B. Xu, U. Ablikim, M. Ahmed, D. Joshi, G. Veber, F.R. Fischer, A.M. Mebel Pyrene synthesis in circumstellar envelopes and its role in the formation of 2D nanostructures, Nat. Astron. 2, 413-419  (2018).   (PDF)   (Supplemental Information)   (Data Files)

401.   A. M. Thomas, M. Lucas, L. Zhao, J. Liddiard, R.I. Kaiser, A.M. Mebel A combined crossed molecular beams and computational study on the formation of distinct resonantly stabilized C₅H₃ radicals via chemically activated C₅H₄ and C₆H₆ intermediates, Phys. Chem. Chem. Phys. 20, 10906-10925  (2018).   (PDF)   (Supplemental Information)   (Data Files)

400.   M. Lucas, A. M. Thomas, R.I. Kaiser, E.K. Bashkirov, V.N. Azyazov, A.M. Mebel Combined Experimental and Computational Investigation of the Elementary Reaction of Ground State Atomic Carbon (C; ³P_j) with Pyridine (C₅H₅N; X¹A₁) via Ring Expansion and Ring Degradation Pathways, J. Phys. Chem. A 122, 3128-3139  (2018).   (PDF)   (Supplemental Information)   (Data Files)

399.   S. Góbi, Parker B. Crandall, P. Maksyutenko, M. Förstel, R.I. Kaiser, Accessing the Nitromethane (CH₃NO₂) Potential Energy Surface in Methanol (CH₃OH)–Nitrogen Monoxide (NO) Ices Exposed to Ionizing Radiation: An FTIR and PI-ReTOF-MS Investigation, J. Phys. Chem. A 122, 2329-2343  (2018).   (PDF)   (Supplemental Information)   (Data Files)

398.   M.J. Abplanalp, S. Góbi, A.Bergantini, A.M. Turner, R.I. Kaiser, On the Synthesis of Chocolate Flavonoids (Propanols, Butanals) in the Interstellar Medium, ChemPhysChem 19, 556-560  (2018).   (PDF)   (Supplemental Information)   (Data Files)

397.   T. Yang, A. M. Thomas, B.B. Dangi, R.I. Kaiser, A.M. Mebel, T.J. Millar, Directed Gas Phase Formation of Silicon Dioxide and Implications for the Formation of Interstellar Silicates, Nat. Commun., 9, 774  (2018).   (PDF)   (Data Files)

396.   C. Zhu, A.M. Turner, M.J. Abplanalp, R.I. Kaiser, Formation of High-order Carboxylic Acids (RCOOH) in Interstellar Analogous Ices of Carbon Dioxide (CO₂) and Methane(CH₄), Astrophys. J. Suppl. Ser., 234, 15  (2018).   (PDF)   (Data Files)

395.   A.M. Turner, M.J. Abplanalp, T.J. Blair, R. Dayuha, R.I. Kaiser, An Infrared Spectroscopic Study Toward the Formation of Alkylphosphonic Acids and Their Precursors in Extraterrestrial Environments, Astrophys. J., Suppl. Ser., 234, 6  (2018).   (PDF)   (Data Files)

394.   A. Bergantini, S. Góbi, M.J. Abplanalp, R.I. Kaiser, A Mechanistical Study on the Formation of Dimethyl Ether (CH₃OCH₃) and Ethanol (CH₃CH₂OH) in Methanol-containing Ices and Implications for the Chemistry of Star-forming Regions, Astrophys. J., 852, 70  (2018).   (PDF)   (Data Files)

393.   S.J. Brotton, M. Lucas, S.D. Chambreau, G.L. Vaghjiani, J. Yu, S.L. Anderson, R.I. Kaiser, Spectroscopic Investigation of the Primary Reaction Intermediates in the Oxidation of Levitated Droplets of Energetic Ionic Liquids, J. Phys. Chem. Lett., 8, 6053-6059  (2018).   (PDF)   (Supplemental Information)   (Data Files)

392.   S. Góbi, L. Zhao, B. Xu, U. Ablikim, M. Ahmed, R.I. Kaiser, A vacuum ultraviolet photoionization study on the thermal decomposition of ammonium perchlorate, Chem. Phys. Lett., 691, 250-257  (2018).   (PDF)   (Supplemental Information)   (Data Files)

391.   M. Lucas, A. M. Thomas, L. Zhao, R.I. Kaiser, G-S Kim, A.M. Mebel, Gas-Phase Synthesis of the Elusive Cyclooctatetraenyl Radical (C₈H₇) via Triplet Aromatic Cyclooctatetraene (C₈H₈) and Non-Aromatic Cyclooctatriene (C₈H₈) Intermediates, Angew. Chem., Int. Ed., 56, 13655-13660  (2017).   (PDF)   (Supplemental Information)   (Data Files)

390.   Y.A. Tsegaw, S. Góbi, M. Förstel, P. Maksyutenko, W. Sander, R.I. Kaiser, Formation of Hydroxylamine in Low-Temperature Interstellar Model Ices, J. Phys. Chem. A, 121, 7477-7493  (2017).   (PDF)   (Supplemental Information)   (Data Files)

389.   P.B. Crandall, S. Góbi, J. Gillis-Davis, R.I. Kaiser, Can perchlorates be transformed to hydrogen peroxide (H₂O₂) products by cosmic rays on the Martian surface?, J. Geophys. Res. Planets, 122, 1880-1892  (2017).   (PDF)   (Data Files)

388.   M.J. Abplanalp, B.M. Jones, R.I. Kaiser, Untangling the methane chemistry in interstellar and solar system ices toward ionizing radiation: a combined infrared and reflectron time-of-flight analysis, Phys. Chem. Chem. Phys., 20, 5435-5468  (2018).   (PDF)   (Supplemental Information)   (Data Files)

387.   M. Förstel, A. Bergantini, P. Maksyutenko, S. Góbi, R.I. Kaiser, Formation of Methylamine and Ethylamine in Extraterrestrial Ices and Their Role as Fundamental Building Blocks of Proteinogenic α-amino Acids, Astrophys. J., 845, 83  (2017).   (PDF)   (Data Files)

386.   A. M. Thomas, M. Lucas, T. Yang, R.I. Kaiser, L. Fuentes, D. Belisario-Lara, A.M. Mebel, A Free-Radical Pathway to Hydrogenated Phenanthrene in Molecular Clouds — Low Temperature Growth of Polycyclic Aromatic Hydrocarbons, ChemPhysChem, 18, 1971-1976  (2017).   (PDF)   (Supplemental Information)   (Data Files)

385.   L. Zhao, T. Yang, R.I. Kaiser, T.P. Troy, B. Xu, M. Ahmed, J.M. Ribero, D. Belisario-Lara, A.M. Mebel, Y. Zhang, C.C. Cao, J.B. Zou, A Vacuum Ultraviolet Photoionization Study on High-Temperature decomposition of JP-10 (exo-tetrahydrodicyclopentadiene), Phys. Chem. Chem. Phys., 19, 15780-15807  (2017).   (PDF)   (Supplemental Information)   (Data Files)

384.   A. Bergantini, Pavlo Maksyutenko, R.I. Kaiser, On the Formation of the C₂H₆O Isomers Ethanol (C₂H₅OH) and Dimethyl Ether (CH₃OCH₃) in Star-forming Regions, Astrophys. J., 841:96, 1-24  (2017).   (PDF)   (Data Files)

383.   S. Góbi, A. Bergantini, A.M. Turner, R.I. Kaiser, Electron Radiolysis of Ammonium Perchlorate: A Reflectron Time-of-Flight Mass Spectrometric Study, J. Phys. Chem. A 121, 3879-3890  (2017).   (PDF)   (Data Files)

382.   R.I. Kaiser, N. Balucani, Exploring the Gas Phase Synthesis of the Elusive Class of Boronyls and the Mechanism of Boronyl Radical Reactions under Single Collision Conditions, Accounts of Chemical Research. 50, 1154-1162  (2017).   (PDF)

381.   G. Tarczay, M. Förstel, S. Góbi, P. Maksyutenko, R.I. Kaiser, Synthesis of the Smallest Member of the Silylketene Family: H₃SiC(H)CO, ChemPhysChem 18, 882-889  (2017).   (PDF)   (Data Files)

380.   T. Yang, R.I. Kaiser, T.P. Troy, B. Xu, O. Kostko, M. Ahmed, A.M. Mebel, M.V. Zagidullin, V.N. Azyazov, HACA's Heritage: A Free-Radical Pathway to Phenanthrene in Circumstellar Envelopes of Asymptotic Giant Branch Stars, Angew. Chem., Int. Ed., 56, 4515-4519  (2017).   (PDF)   (Supplemental Information)   (Data Files)

379.   S. Góbi, A. Bergantini, R.I. Kaiser, Degradation of Adenine on the Martian Surface in the Presence of Perchlorates and Ionizing Radiation: A Reflectron Time-of-flight Mass Spectrometric Study, Astrophys. J., 838, 84  (2017).   (PDF)   (Data Files)

378.   M.J. Abplanalp, R.I. Kaiser, Implications for Extraterrestrial Hydrocarbon Chemistry: Analysis of Ethylene (C₂H₄) and D4-Ethylene (C₂D₄) Ices Exposed to Ionizing Radiation via Combined Infrared Spectroscopy and Reflectron Time-of-flight Mass Spectrometry, Astrophys. J., 836, 195  (2017).   (PDF)   (Data Files)

377.   A.M. Mebel, A. Landera, R.I. Kaiser, Formation Mechanisms of Naphthalene and Indene: From the Interstellar Medium to Combustion Flames, J. Phys. Chem. A, 121, 901-926  (2017).   (PDF)   (Supplemental Information)

376.   L. Zhao, T. Yang, R.I. Kaiser, T.P. Troy, M. Ahmed, J.M. Ribero, D. Belisario-Lara, A.M. Mebel, Combined Experimental and Computational Study on the Unimolecular Decomposition of JP-8 Jet Fuel Surrogates. II. n-Dodecane (n-C₁₂H₂₆), J. Phys. Chem. A, 121, 1281-1297  (2017).   (PDF)   (Supplemental Information)   (Data Files)

375.   L. Zhao, T. Yang, R.I. Kaiser, T.P. Troy, M. Ahmed, D. Belisario-Lara, J.M. Ribero, A.M. Mebel, Combined Experimental and Computational Study on the Unimolecular Decomposition of JP-8 Jet Fuel Surrogates. I. n-Decane (n-C₁₀H₂₂), J. Phys. Chem. A, 121, 1261-1280  (2017).   (PDF)   (Supplemental Information)   (Data Files)

374.   S. Góbi, M. Förstel, P. Maksyutenko, R.I. Kaiser, A Reflectron Time-of-Flight Mass Spectrometric Study on the Degradation Pathways of Glycine on Mars in the Presence of Perchlorates and Ionizing Radiation, Astrophys. J., 835, 241  (2017).   (PDF)   (Data Files)

373.   D.S.N. Parker, R.I. Kaiser, On the Formation of Nitrogen-Substituted Polycyclic Aromatic Hydrocarbons (NPAHs) in Circumstellar and Interstellar Environments, Chem. Soc. Rev., 46, 452-463  (2017).   (PDF)

372.   T. Yang, B.B. Dangi, R.I. Kaiser, K-H Chao, B-J Sun, A.H.H. Chang, T.L. Nguyen, J.F. Stanton, Gas-Phase Formation of the Disilavinylidene (H₂SiSi) Transient, Angew. Chem., Int. Ed., 56, 1264-1268  (2017).   (PDF)   (Supplemental Information)   (Data Files)

371.   T. Yang, B.B. Dangi, A. M. Thomas, R.I. Kaiser, B-J Sun, M. Stas, A.H.H. Chang, Gas-Phase Synthesis of the Elusive Trisilicontetrahydride Species (Si₃H₄), J. Phys. Chem. Lett., 8, 131-136  (2017).   (PDF)   (Supplemental Information)   (Data Files)

370.   A. Bergantini, R.I. Kaiser. In Situ Detection of Organics in the Comet 67P/Churyumov-Gerasimenko, Chem 1(6), 822-829  (2016).   (PDF)

369.   A. M. Thomas, T. Yang, B.B. Dangi, R.I. Kaiser, G-S Kim, A.M. Mebel Oxidation of the para-Tolyl Radical by Molecular Oxygen under Single-Collison Conditions: Formation of the para-Toloxy Radical, J. Phys. Chem. Lett., 7, 5121-5127  (2016).   (PDF)   (Data Files)

368.   S. Góbi, A. Bergantini, R. I. Kaiser, In Situ Detection of Chlorine Dioxide (ClO₂) in the Radiolysis of Perchlorates and Implications for the Stability of Organics on Mars, Astrophys. J., 832, 164  (2016).   (PDF)   (Data Files)

367.   T. Yang, T.P. Troy, B. Xu, O. Kostko, M. Ahmed, A.M. Mebel, R.I. Kaiser, Hydrogen-Abstraction/Acetylene-Addition Exposed, Angew. Chem., Int. Ed., 55, 14983-14987  (2016).   (PDF)   (Supplemental Information)   (Data Files)

366.   B.M. McMurtry, S.E.J. Saito, A.M. Turner, H.K. Chakravarty, R.I. Kaiser, On the Formation of Benzoic Acid and Higher-Order Benzene Carboxylic Acids in Interstellar Model Ice Grains, Astrophys. J., 831, 174  (2016).   (PDF)   (Data Files)

365.   E.H. Wilson, S.K. Atreya, R.I. Kaiser, Perchlorate Formation on Mars through Surface Radiolysis Initiated Atmospheric Chemistry : A Potential Mechanism, Journal of Geophysical Research – Planets, 121, 1472-1487  (2016).   (PDF)

364.   T. Yang, A. M. Thomas, B.B. Dangi, R.I. Kaiser, M-H Wu, B-J Sun, A.H.H. Chang, Formation of the 2,3-Dimethyl-1-silacycloprop-2-enylidene Molecule via the Crossed Beam Reaction of the Silylidyne Radical (SiH; X²Π) with Dimethylacetylene (CH₃CCH₃; X¹A_1g), J. Phys. Chem. A, 120, 7262-7268  (2016).   (PDF)   (Supplemental Information)   (Data Files)

363.   G. Tarczay, M. Förstel, P. Maksyutenko, R.I. Kaiser, Formation of Higher Silanes in Low-Temperature Silane (SiH₄) ices, Inorg. Chem., 55, 8776-8785  (2016).   (PDF)   (Data Files)

362.   M.J. Abplanalp, R. I. Kaiser, Complex hydrocarbon chemistry in interstellar and solar system ices revealed: a combined infrared spectroscopy and reflectron time-of-flight mass spectrometry analysis of ethane (C₂H₆) and D6-ethane (C₂D₆) ices exposed to ionizing radiation, Astrophys. J., 827, 132  (2016).   (PDF)   (Data Files)

361.   M. Förstel, Y.A. Tsegaw, P. Maksyutenko, A.M. Mebel, W. Sander, R.I. Kaiser, On the Formation of N₃H₃ Isomers in Irradiated Ammonia Bearing Ices: Triazene (H₂NNNH) or Triimide (HNHNNH), ChemPhysChem 17, 2726-2735  (2016).   (PDF)   (Data Files)

360.   T. Yang, B.B. Dangi, R.I. Kaiser, L.W. Bertels, M. Head-Gordon, A Combined Experimental and Theoretical Study on the Formation of the 2-Methyl-1-silacycloprop-2-enylidene Molecule via Crossed Beam Reactions of the Silylidyne Radical (SiH; X²Π) with Methylacetylene (CH₃CCH; X¹A₁) and D4-Methylacetylene(CD₃CCD; X¹A₁), J. Phys. Chem. A, 120, 4872-4883  (2016).   (PDF)   (Supplemental Information)   (Data Files)

359.   M.J. Abplanalp, S. Gozem, A.I. Krylov, C.N. Shingledecker, E. Herbst, R.I. Kaiser, A study of interstellar aldehydes and enols as tracers of a cosmic ray-driven nonequilibrium synthesis of complex organic molecules, PNAS 113, 7727-7732  (2016).   (PDF)   (Supplemental Information)   (Nature Research Highlight)   (Data Files)

358.   T. Yang, B.B. Dangi, A. M. Thomas, B-J Sun, T-J Chou, A.H.H. Chang, R.I. Kaiser, Gas-Phase Synthesis of 1-Silacyclopenta-2,4-diene, Angew. Chem., Int. Ed, 55, 7983-7987  (2016).   (PDF)   (Supplemental Information)   (Data Files)

357.   P. Maksyutenko, M. Förstel, P. Crandall, B-J Sun, M.H. Wu, A.H.H. Chang, R.I. Kaiser, An isomer-specific study of solid nitromethane decomposition pathways - Detection of aci-nitromethane (H₂CNO(OH)) and nitrosomethanol (HOCH₂NO) intermediates, Chem. Phys. Lett., 658, 20-29  (2016).   (PDF)   (Supplemental Information)   (Data Files)

356.   T. Yang, B.B. Dangi, A. M. Thomas, R.I. Kaiser, Untangling the Reaction Dynamics of the Silylidyne Radical (SiH; X²Π) with Acetylene (C₂H₂; X¹Σ_g⁺), Chem. Phys. Lett., 654, 58-62  (2016).   (PDF)   (Data Files)

355.   S. Góbi, M.J. Abplanalp, R.I. Kaiser, Effect of Perchlorates on Electron Radiolysis of Glycine with Application to Mars, Astrophys. J. 822, 8  (2016).   (PDF)   (Data Files)

354.   B.M. McMurtry, A.M. Turner, S.E.J. Saito, R.I. Kaiser, On the formation of Niacin (Vitamin B3) and Pyridine Carboxylic Acids in Interstellar Model Ices, Chem. Phys. 472, 173  (2016).   (PDF)   (Data Files)

353.   A.M. Turner, M.J. Abplanalp, R.I. Kaiser, Mechanistic Studies on the Radiolytic Decomposition of Perchlorates on the Martian Surface, Astrophys. J. 820, 127  (2016).   (PDF)   (Data Files)

352.   M. Förstel, P. Maksyutenko, B.M. Jones, B-J Sun, H.C. Lee, A.H.H. Chang, R.I. Kaiser, On the Formation of Amide Polymers via Carbonyl-Amino Group Linkages in Energetically Processed Ices of Astrophysical Relevance, Astrophys. J. 820, 117  (2016).   (PDF)   (Data Files)

351.   Y.A. Tsegaw, W. Sander, R.I. Kaiser, Electron Paramagnetic Resonance Spectroscopic Study on Nonequilibrium Reaction Pathways in the Photolysis of Solid Nitromethane (CH₃NO₂) and D3-Nitromethane (CD₃NO₂), J. Phys. Chem. A. 120, 1577-1587  (2016).   (PDF)   (Data Files)

350.   A.M. Turner, M.J. Abplanalp, R.I. Kaiser, Probing the Carbon-phosphorus Bond Coupling in Low-temperature Phosphine (PH₃)-Methane (CH₄) Interstellar Ice Analogues, Astrophys. J. 819, 97  (2016).   (PDF)   (Data Files)

349.   M. Förstel, P. Maksyutenko, A.M. Mebel, R.I. Kaiser, Pentacarbon dioxide (C₅O₂) formation and its role as a tracer of solar system evolution, Astrophys. J., Lett. 818:L30, 1-6  (2016).   (PDF)   (Data Files)

348.   M. Förstel, P. Maksyutenko, B.M. Jones, B-J Sun, A.H.H. Chang, R. I. Kaiser, Synthesis of urea in cometary model ices and implications for Comet 67P/Churyumov-Gerasimenko, Chem. Comm. 52, 741-744  (2016).   (PDF)   (Supplemental Information)   (Data Files)

347.   M.J. Abplanalp, M. Förstel, and R.I. Kaiser, Exploiting single photon vacuum ultraviolet photoionization to unravel the synthesis of complex organic molecules in interstellar ices, Chem. Phys. Letters, 644, 79-98  (2016).   (PDF)   (Data Files)

346.   D.S.N. Parker, T. Yang, B.B. Dangi, R.I. Kaiser, P.P. Bera, and T.J. Lee, Low Temperature Formation of Nitrogen-substituted Polycyclic Aromatic Hydrocarbons (PANHs)- Barrierless Routes to Dihydro(iso)quinolines, Astrophys. J., 815, 11  (2015).   (PDF)   (Data Files)

345.   T. Yang, B.B. Dangi, P. Maksyutenko, R.I. Kaiser, L.W. Bertels, and M. Head-Gordon, Combined Experimental and Theoretical Study on the Formation of the Elusive 2-Methyl-1-silacycloprop-2-enylidene Molecule under Single Collision Conditions via Reactions of the Silylidyne Radical (SiH; X²Π) with Allene (H₂CCCH₂; X¹A₁) and D4-Allene (D₂CCCD₂; X¹A₁), J. Phys. Chem. A, 119, 12562-12578  (2015).   (PDF)   (Supplemental Information)   (Data Files)

344.   D.S.N. Parker, R.I. Kaiser, O. Kostko, T.P. Troy, M. Ahmed, B-J Sun, S-H Chen, A.H.H. Chang, On the formation of pyridine in the interstellar medium, Phys. Chem. Chem. Phys., 17, 32000-32008  (2015).   (PDF)   (Data Files)

343.   M.J. Abplanalp, A. Borsuk, B.M. Jones, R.I. Kaiser, On the Formation and Isomer Specific Detection of Propenal (C₂H₃CHO) and Cyclopropanone (c-C₃H₄O) in Interstellar Model Ices-A Combined FTIR and Reflectron Time-of-Flight Mass Spectroscopic Study, Astrophys. J., 814, 45  (2015).   (PDF)   (Data Files)

342.   M. Förstel, P. Maksyutenko, B.M. Jones, B-J Sun, S-H Chen, A.H.H. Chang, R.I. Kaiser, Detection of the Elusive Triazane Molecule (N₃H₅) in the Gas Phase, ChemPhysChem 16, 3139-3142  (2015).   (PDF)   (Supplemental Information)   (Data Files)

341.   A.M. Mebel, R.I. Kaiser, Formation of resonantly stabilised free radicals via the reactions of atomic carbon, dicarbon, and tricarbon with unsaturated hydrocarbons: theory and crossed molecular beams experiments, International Reviews in Physical Chemistry. 17, 21564-21575  (2015).   (PDF)

340.   T. Yang, L. Muzangwa, R.I. Kaiser, A. Jamal, and K. Morokuma, A Combined Crossed Molecular Beam and Theoretical Investigation of the Reaction of the Meta-tolyl Radical with Vinylacetylene- toward the Formation of Methylnaphthalenes, Phys. Chem. Chem. Phys. 34, 461-514  (2015).   (PDF)   (Supplemental Information)   (Data Files)

339.   A.M. Turner, M.J. Abplanalp, S.Y. Chen, Y.T. Chen, A.H.H. Chang, R.I. Kaiser A Photoionization Mass Spectroscopic Study on the Formation of Phosphanes in Low Temperature Phosphine Ices, Phys. Chem. Chem. Phys. 17, 27281-27291  (2015).   (PDF)   (Supplemental Information)   (Data Files)

338.   D.S.N. Parker, R.I. Kaiser, T.P. Troy, O. Kostko and M. Ahmed, Toward the Oxidation of the Phenyl Radical and Prevention of PAH Formation in Combustion Systems, J. Phys. Chem. A 119, 7145-7154  (2015).   (PDF)   (Data Files)

337.   D.S.N. Parker, R.I. Kaiser, O. Kostko and M. Ahmed, Selective Formation of Indene through the Reaction of Benzyl Radicals with Acetylene, ChemPhysChem 16, 2091-2093  (2015).   (PDF)   (Data Files)

336.   R.I. Kaiser, P. Maksyutenko, Novel Reaction Mechanisms Pathways in the Electron Induced Decomposition of Solid Nitromethane (CH₃NO₂) and D3- Nitromethane (CD₃NO₂), J. Phys. Chem. C 119, 14653-14668  (2015).   (PDF)   (Data Files)

335.   S. Thorwirth, R.I. Kaiser, K.N. Crabtree, M. C. McCarthy, Spectroscopic and structural characterization of three silaisocyanides: exploring an elusive class of reactive molecules at high resolution, Chem. Comm. 51, 11305  (2015).   (PDF)   (Data Files)

334.   B. B. Dangi, Y.S. Kim, S.A. Krasnokutski, R.I. Kaiser, C.W. Bauschlicher Jr, Toward the Formation of Carbonaceous Refractory Matter in High Temperature Hydrocarbon-rich Atmospheres of Exoplanets Upon Micrometeoroid Impact, Astrophys. J., 805:76, 1-7  (2015).   (PDF)   (Data Files)

333.   R.I. Kaiser, P. Maksyutenko, A Mechanistical Study on Non-Equilibrium Reaction Pathways in Solid Nitromethane (CH₃NO₂) and D3-nitromethane (CD₃NO₂) upon Interaction with Ionizing Radiation, Chem. Phys. Lett. 631-632, 59-65  (2015).   (PDF)   (Data Files)

332.   D.S.N. Parker, R.I. Kaiser, B. Bandyopadhyay, O. Kostko, T.P. Troy, M. Ahmed, Unexpected Chemistry from the Reaction of Naphthyl and Acetylene at Combustion-Like Temperatures, Angew. Chem., Int. Ed. 54, 5421-5424  (2015).   (PDF)   (Data Files)

331.   D.S.N. Parker, R.I. Kaiser, O. Kostko, T.P. Troy, M. Ahmed, A.M. Mebel, A.G.G.M. Tielens, Gas Phase Synthesis of (Iso)Quinoline and Its Role in the Formation of Nucleobases in the Interstellar Medium, Ap J., 803:53, 1-10  (2015).   (PDF)   (Data Files)

330.   T. Yang, D.S.N. Parker, B.B. Dangi, R.I. Kaiser and A.M. Mebel, Formation of 5- and 6-methyl-1H-indene (C₁₀H₁₀) via the Reactions of the Para-tolyl Radical (C₆H₄CH₃) with Allene (H₂CCCH₂) and Methylacetylene (HCCCH₃) under Single Collision Conditions, Phys. Chem. Chem. Phys., 17, 10510-10519 (2015).   (PDF)   (Data Files)

329.   S. Maity, B.B. Dangi, D.S.N. Parker, R.I. Kaiser, H-M Lin, H-P E, B-J Sun, A.H.H. Chang, Combined Crossed Molecular Beam and ab Initio Investigation of the Reaction of Boron Monoxide (BO; X²Σ⁺) with 1,3-Butadiene (CH₂CHCHCH₂; X¹A_g) and its Deuterated Counterparts , J. Phys. Chem. A,119, 1094-1107  (2015).   (PDF)

328.   L. Muzangwa, T. Yang, D.S.N. Parker, R.I. Kaiser, A.M. Mebel, A. Jamal, M. Ryazantsev, K. Morokuma, A Crossed Molecular Beam and Ab Initio Study on the Formation of 5- and 6-Methyl-1,4-Dihydronaphthalene (C₁₁H₁₂) via the Reaction of Meta-Tolyl (C₇H₇) with 1,3-Butadiene (C₄H₆), Phys. Chem. Chem. Phys., 17, 7699-7706  (2015).   (PDF)

327.   P. Maksyutenko, L.G Muzangwa, B.M. Jones, R.I. Kaiser, Lyman α Photolysis of Solid Nitromethane (CH₃NO₂) and D3-Nitromethane (CD₃NO₂) - Untangling the Reaction Mechanisms Involved in the Decomposition of Model Energetic Materials, Phys. Chem. Chem. Phys. 17, 7514 - 7527  (2015).   (PDF)   (Data Files)

326.   S. Maity, R.I. Kaiser, and B.M. Jones, Formation of complex organic molecules in methanol and methanol-carbon monoxide ice exposed to ionizing radiation - a combined FTIR and reflectron time-of-flight mass spectrometry study, Phys. Chem. Chem. Phys., 17, 3081 - 3114  (2015).   (PDF)   (Supplemental Information)

325.   R.I. Kaiser, S. Maity, B.M. Jones, Synthesis of Prebiotic Glycerol in Interstellar Ices, Angew. Chem., Int. Ed., 54, 195-200 (2015).   (PDF)

324.   T. Yang, L. Muzangwa, D.S.N. Parker, R.I. Kaiser, A.M. Mebel, Formation of 2- and 1-Methyl-1,4-Dihydronaphthalene Isomers via the Crossed Beam Reactions of Phenyl Radicals (C₆H₅) with Isoprene (CH₂C(CH₃)CHCH₂) and 1,3-Pentadiene (CH₂CHCHCHCH₃), Phys. Chem. Chem. Phys., 17, 530-540  (2015).   (PDF)   (Supplemental Information)   (Data Files)

323.   R.I. Kaiser, D. S. N. Parker, A. M. Mebel, Reaction Dynamics in Astrochemistry: Low-Temperature Pathways to Polycyclic Aromatic Hydrocarbons in the Interstellar Medium, Annual Reviews of Physical Chemistry. 66, 43-47  (2015).   (PDF)

322.   D.S.N. Parker, B.B. Dangi, R.I. Kaiser, A. Jamal, M. Ryazantsev and K. Morokuma, Formation of 6-Methyl-1,4-dihydronaphthalene in the Reaction of the p-Tolyl Radical with 1,3-Butadiene under Single-Collision Conditions, J. Phys. Chem. A, 118, 12111-12119 (2014).   (PDF)   (Supplemental Information)

321.   S. Maity, B.B. Dangi, D.S.N. Parker, R.I. Kaiser , Y. An, B.J. Sun, A.H.H. Chang, Combined Crossed Molecular Beam and ab Initio Investigation of the Multichannel Reaction of Boron Monoxide (BO; X²Σ⁺) with Propylene (CH₃CHCH₂; X¹A'): Competing Atomic Hydrogen and Methyl Loss Pathways, J. Phys. Chem. A,118, 9632-9645  (2014).   (PDF)

320.   B.J. Sun, C.H. Huang, S.Y. Chen, S.H. Chen, R.I. Kaiser, A.H.H. Chang, Theoretical Study on Reaction Mechanism of Ground-State Cyano Radical with 1,3-Butadiene: Prospect of Pyridine Formation, J. Phys. Chem. A, 118, 7715-7724  (2014).   (PDF)

319.   C.J. Bennett, C.P. Ennis, R.I. Kaiser, Implantation of Energetic D⁺ Ions into Carbon Dioxide Ices and Implications to our Solar System: Formation of D₂O and D₂CO₃, Astrophys. J., 794, 57  (2014).   (PDF)

318.   R.I. Kaiser, B.B. Dangi, T. Yang, D.S.N. Parker, A.M. Mebel, Reaction Dynamics of the 4-Methylphenyl Radical (p-Tolyl) with 1,2-Butadiene (1-Methylallene): Are Methyl Groups Purely Spectators?, J. Phys. Chem. A, 118, 6181-6190  (2014).   (PDF)   (Data Files)

317.   S. Maity, R.I. Kaiser, B.M. Jones, Infrared and Reflectron Time-of-Flight Mass Spectroscopic Study on the Synthesis of Glycolaldehyde in Methanol (CH₃OH) and Methanol-Carbon Monoxide (CH₃OH-CO) Ices Exposed to Ionization Radiation, Faraday Discussions, 168, 485-516  (2014).   (PDF)   (Supplemental Information)

316.   T. Yang, B.B. Dangi, D.S.N. Parker, R.I. Kaiser, Y. An, A.H.H. Chang, A Combined Crossed Molecular Beams and ab initio Investigation on the Formation of Vinylsulfidoboron (C₂H₃¹¹B³²S), Phys. Chem. Chem. Phys., 16, 17580-17587  (2014).   (PDF)   (Supplemental Information)   (Data Files)

315.   D.S.N. Parker, R.I. Kaiser, T.P. Troy, M. Ahmed, Hydrogen Abstraction/Acetylene Addition Revealed, Angew. Chem., Int. Ed., 53, 7740-7744  (2014).   (PDF)

314.   B.B. Dangi, T. Yang, R.I. Kaiser, A.M. Mebel, Reaction Dynamics of the 4-Methylphenyl Radical (C₆H₄CH₃; p-tolyl) with Isoprene (C₅H₈) - Formation of Dimethyldihydronaphthalenes, Phys. Chem. Chem. Phys., 16, 16805-16814  (2014).   (PDF)   (Data Files)

313.   L. Zhou, S. Maity, M.J. Abplanalp, A.M. Turner, R.I. Kaiser, On the Radiolysis of Ethylene Ices by Energetic Electrons and Implications to the Extraterrestrial Hydrocarbon Chemistry, Astrophys. J., 790, 38  (2014).   (PDF)

312.   T. Yang, D.S.N. Parker, B.B. Dangi, R.I. Kaiser, V.V. Kislov, A.M. Mebel, Crossed Beam Reactions of the Phenyl (C₆H₅; X²A₁) and Phenyl-d₅ Radical (C₆D₅; X²A₁) with 1,2-Butadiene (H₂CCCHCH₃; X¹A'), J. Phys. Chem. A, 118, 4372-4381  (2014).   (PDF)   (Data Files)

311.   S. Maity, R.I. Kaiser, B.M. Jones, Formation of Ketene (H₂CCO) in Interstellar Analogous Methane (CH₄) - Carbon Monoxide (CO) Ices: A Combined FTIR and Reflectron Time-of-Flight Mass Spectroscopic Study, Astrophys. J., 789, 36  (2014).   (PDF)

310.   B.M. Jones, R.I. Kaiser, G. Strazzulla, Carbonic Acid as a Reserve of Carbon Dioxide on Icy Moons: The Formation of Carbon Dioxide (CO₂) in a Polar Environment, Astrophys. J., 788, 170  (2014).   (PDF)

309.   B.B. Dangi, D.S.N. Parker, R.I. Kaiser, D. Belisario-Lara, A.M. Mebel, An experimental and theoretical investigation of the formation of C₇H₇ isomers in the bimolecular reaction of dicarbon molecules with 1,3-pentadiene, Chem. Phys. Lett., 607, 92-99  (2014).   (PDF)   (Data Files)

308.   T. Yang, D.S.N. Parker, B.B. Dangi, R.I. Kaiser, D. Stranges, Y.H. Su, S.Y. Chen, A.H.H. Chang, A.M. Mebel, Directed Gas-Phase Formation of the Ethynylsulfidoboron Molecule, J. Am. Chem. Soc., 136, 8387-8392  (2014).   (PDF)   (Supplemental Information)   (Data Files)

307.   D.S.N. Parker, S. Maity, B.B. Dangi, R.I. Kaiser, A. Landera, A.M. Mebel, Understanding the chemical dynamics of the reactions of dicarbon with 1-butyne, 2-butyne, and 1,2-butadiene - toward the formation of resonantly stabilized free radicals, Phys. Chem. Chem. Phys., 16, 12150-12163  (2014).   (PDF)

306.   S. Maity, D.S.N. Parker, R.I. Kaiser, B. Ganoe, S. Fau, A. Perera, R.J. Bartlett, Gas-Phase Synthesis of Boronylallene (H₂CCCH(BO)) under Single Collision Conditions: A Cross Molecular Beams and Computational Study, J. Phys. Chem. A, 118, 3810-3819  (2014).   (PDF)

305.   B.B. Dangi, D.S.N. Parker, T. Yang, R.I. Kaiser, A.M. Mebel, Gas Phase Synthesis of the Benzyl Radical (C₆H₅CH₂), Angew. Chem., Int. Ed., 53, 4608-4613  (2014).   (PDF)   (Data Files)

304.   D.S.N. Parker, B.B. Dangi, R.I. Kaiser, A. Jamal, M.N. Ryazantsev, K. Morokuma, A. Korte, W. Sander, An Experimental and Theoretical Study on the Formation of 2-Methylnaphthalene (C₁₁H₁₀ /C₁₁H₃D₇) in the Reactions of the Para-Tolyl (C₇H₇) and Para-Tolyl-d7 (C₇D₇) with Vinylacetylene (C₄H₄), J. Phys. Chem. A, 118, 2709-2718  (2014).   (PDF)

303.   D.S.N. Parker, R.I. Kaiser, A.M. Mebel, The role of isovalency in the reactions of the cyano (CN), boron monoxide (BO), silicon nitride (SiN), and ethynyl (C₂H) radicals with unsaturated hydrocarbons acetylene (C₂H₂) and ethylene (C₂H₄), Chem. Soc. Rev., 43, 2701-2713  (2014).   (PDF)

302.   D.S.N. Parker, T. Yang, R.I. Kaiser, A. Landera, A.M. Mebel, On the formation of ethynylbiphenyl (C₁₄D₅H₅; C₆D₅C₆H₄CCH) isomers in the reaction of D5-phenyl radicals (C₆D₅; X²A₁) with phenylacetylene (C₆H₅C₂H; X¹A₁) under single collision conditions, Chem. Phys. Lett., 595-596, 230-236  (2014).   (PDF)

301.   R.I. Kaiser, S. Maity, B.M. Jones, Infrared and ReflectronTtime-of-Flight Mass Spectroscopic Analysis of Methane (CH₄)-Carbon Monoxide (CO) Ices Exposed to Ionization Radiation - Toward the Formation of Carbonyl Bearing Molecules in Extraterrestrial Ices, Physical Chemistry Chem. Phys., 16, 3399-3424  (2014).   (PDF)

300.   C.J. Bennett, C.P. Enis, R.I. Kaiser, Experimental Studies on the Formation of D₂O and D₂O₂ by Implantation of Energetic D⁺ Ions into Oxygen Ices, Astrophys. J., 782, 63  (2014).   (PDF)

299.   B.M. Jones, R.I. Kaiser, G. Strazzulla, UV-VIS, Infrared, and Mass Spectroscopy of Electron Irradiated Frozen Oxygen and Carbon Dioxide Mixtures with Water, Astrophys. J., 781, 85  (2014).   (PDF)

298.   R.I. Kaiser, S. Maity, B.B. Dangi, Y.S. Su, B-J Sun, A.H.H. Chang, A crossed molecular beam and ab initio investigation of the exclusive methyl loss pathway in the gas phase reaction of boron monoxide (BO; X²Σ⁺) with dimethylacetylene (CH₃CCCH₃; X¹A_1g), Phys. Chem. Chem. Phys., 16, 989-997  (2014).   (PDF)

297.   D.S.N. Parker, B.B. Dangi, N. Balucani, D. Stranges, A.M. Mebel, R.I. Kaiser, Gas-Phase Synthesis of Phenyl Oxoborane (C₆H₅BO) via the Reaction of Boron Monoxide with Benzene, JOC, 78, 11896-11900  (2013).   (PDF)

296.   B.B. Dangi, S. Maity, R.I. Kaiser, A.M. Mebel, A Combined Crossed Beam and Ab Initio Investigation of the Gas Phase Reaction of Dicarbon Molecules (C₂; X¹Σ_g⁺/a³Π_u) with Propene (C₃H₆; X¹A'): Identification of the Resonantly Stabilized Free Radicals 1- and 3-Vinylpropargyl, J. Phys. Chem. A., 117, 11783-11793  (2013).   (PDF)   (Data Files)

295.   S. Maity, D.S.N. Parker, B.B. Dangi, R.I. Kaiser, S. Fau, A. Perera, R.J. Bartlett, A Crossed Molecular Beam and Ab-Initio Investigation of the Reaction of Boron Monoxide (BO; X²Σ⁺) with Methylacetylene (CH₃CCH; X¹A₁): Competing Atomic Hydrogen and Methyl Loss Pathways, J. Phys. Chem. A., 117, 11794-11807  (2013).   (PDF)

294.   D.S.N. Parker, N. Balucani, D. Stranges, R.I. Kaiser, A.M. Mebel, A Crossed Beam and ab Initio Investigation on the Formation of Boronyldiacetylene (HCCCC¹¹BO; X¹Σ⁺) via the Reaction of the Boron Monoxide Radical (¹¹BO; X²Σ⁺) with Diacetylene (C₄H₂; X¹Σ_g⁺), J. Phys. Chem. A., 117, 8189-8198  (2013).   (PDF)

293.   S. Maity, R.I. Kaiser, Electron Irradiation of Carbon Disulfide - Oxygen Ices: Toward the Formation of Sulfur-Bearing Molecules in Interstellar Ices, Astrophys. J. 773, 184/1-184/8  (2013).   (PDF)

292.   B.B. Dangi, D.S.N. Parker, R.I. Kaiser, A. Jamal, A.M. Mebel, A Combined Experimental and Theoretical Study on the Gas-Phase Synthesis of Toluene under Single Collision Conditions, Angew. Chem., Int. Ed., 52, 7186-7189  (2013).   (PDF)   (Data Files)

291.   C.J. Bennett, S.J. Brotton, B.M. Jones, A.K. Misra, S. Sharma, R.I. Kaiser, High Sensitivity Raman Spectrometer to Study Pristine and Irradiated Interstellar Ice Analogs, Analytical Chemistry 85, 5659-5665  (2013).   (PDF)

290.   S. Maity, Y.S. Kim, R.I. Kaiser, H.C.C. Chang, On the Detection of Higher Order Carbon Sulfides (CS_x ; x = 4-6) in Low Temperature Carbon Disulfide Ices, Chem. Phys. Lett. 577, 42-47  (2013).   (PDF)

289.   S.J. Brotton, R.I. Kaiser, Novel high-temperature and pressure-compatible ultrasonic levitator apparatus coupled to Raman and Fourier transform infrared spectrometers, Rev. Sci. Instrum. 84, 055114  (2013).   (PDF)

288.   B.M. Jones, R.I. Kaiser, Application of Reflectron Time-of-Flight Mass Spectroscopy in the Analysis of Astrophysically Relevant Ices Exposed to Ionization Radiation: Methane (CH₄) and D4-Methane (CD₄) as a Case Study, J. Phys Chem. Lett. 4, 1965-1971  (2013).   (PDF)

287.   D.S.N. Parker, A.V. Wilson, R.I. Kaiser, N.J. Mayhall, M. Head-Gordon, A.G.G.M. Tielens, On the Formation of Silacyclopropenylidene (c-SiC₂H₂) and its Role in the Organosilicon Chemistry in the Interstellar Medium, Astrophys. J., 770, 33  (2013).   (PDF)

286.   Y.S. Kim, K.P. Wo, S. Maity, S.K. Atreya, and R.I. Kaiser, Radiation-Induced Formation of Chlorine Oxides and Their Potential Role in the Origin of Martian Perchlorates, J. Am. Chem. Soc., 135, 4910-4913  (2013).   (PDF)

285.   S.J. Brotton, and R.I. Kaiser, In Situ Raman Spectroscopic Study of Gypsum (CaSO₄ ⋅ 2H₂O) and Epsomite (MgSO₄ ⋅ 7H₂O) Dehydration Utilizing an Ultrasonic Levitator, J. Phys. Chem. Lett., 4, 669-673  (2013).   (PDF)

284.   R.I. Kaiser, A.M. Stockton, Y.S. Kim, E.C. Jensen, R.A. Mathies, On the Formation of Dipeptides in Interstellar Model Ices, Astrophys. J., 765, 111  (2013).   (PDF)

283.   A. Golan, M. Ahmed, A.M. Mebel, R.I. Kaiser, A VUV Photoionization Study on the Multichannel Reaction of Phenyl Radicals with 1,3-butadiene Under Combustion Relevant Conditions, Phys. Chem. Chem. Phys., 15, 341-347  (2013).   (PDF)

282.   A.E. Tomosada, Y.S. Kim, A.H.H. Chang, R.I. Kaiser, First Detection of the Silylgermylene (H₃SiGeH) and D4-Silylgermylene (D₃SiGeD) Molecules in Low Temperature Silane-Germane Ices, Chem. Phys., 409, 49-60  (2012).   (PDF)

281.   R.I. Kaiser, S.P. Krishtal, A.M. Mebel, O. Kostko, M. Ahmed, An Experimental and Theoretical Study of the Ionization Energies of SiC₂H_x (x = 0, 1, 2) Isomers. Astrophys. J., 761, 178  (2012).   (PDF)

280.   D.S.N. Parker, A.V. Wilson, R.I. Kaiser, T. Labrador, A.M. Mebel, Gas-Phase Synthesis of the Silaisocyanoethylene Molecule (C₂H₃NSi), JOC, 77, 8574  (2012).   (PDF)

279.   Y.S. Kim, R.I. Kaiser, Electron Irradiation of Kuiper Belt Surface Ices: Ternary N₂ - CH₄ - CO Mixtures As A Case Study, Astrophys. J., 758, 37  (2012).   (PDF)

278.   D.S.N. Parker, A.W. Wilson, R.I. Kaiser, T. Labrador, A.M. Mebel, Synthesis of the Silaisocyanoacetylene Molecule, J. Am. Chem. Soc., 134, 13896-13901  (2012).   (PDF)

277.   R.I. Kaiser, A.M. Mebel, On the Formation of Polyacetylenes and Cyanopolyacetylenes in Titans Atmosphere and their Role in Astrobiology, Chem. Rev. Soc. 41, 5490-5501  (2012).   (PDF)

276.   D.S.N. Parker, F. Zhang, P. Matsuyenko, R.I. Kaiser, S.H. Chen, A.H.H. Chang, A Crossed Beam and Ab Initio Investigation On The Formation of Vinyl Boron Monoxide (C₂H₃BO; X¹A') via Reaction of Boron Monoxide (¹¹BO; X²Σ⁺) with ethylene (C₂H₄; X¹A_g), Phys. Chem. Chem. Phys., 14, 11099-11106  (2012).   (PDF)

275.   R.I. Kaiser, D.S.N. Parker, F. Zhang, A. Landera, V.V. Kislov, A.M. Mebel, PAH Formation under Single Collision Conditions: Reaction of Phenyl Radical and 1,3-Butadiene to Form 1,4-Dihydronaphthalene, J. Phys. Chem. A, 116, 4248-4258  (2012).   (PDF)

274.   F. Zhang, R.I. Kaiser, A. Golan, M. Ahmed, H. Hansen, A VUV Photoionization Study of the Combustion-Relevant Reaction of the Phenyl Radical (C₆H₅) with Propylene (C₃H₆) in a High Temperature Chemical Reactor, J. Phys. Chem. A, 116, 3541-3546  (2012).   (PDF)

273.   H. Khari, R.I. Kaiser, J. Head, A theoretical investigation of the relative stability of hydrated glycine and methylcarbamic acid-from water clusters to interstellar ices, Phys. Chem. Chem. Phys, 14, 4942-4958  (2012).   (PDF)

272.   D.S.N. Parker, F. Zhang, Y.S. Kim, R.I. Kaiser, A. Landera, A.M. Mebel, On the Formation of Phenyldiacetylene (C₆H₅CCCCH) and D5-Phenyldiacetylene (C₆D₅CCCCH) Studied Under Single Collision Conditions, Phys. Chem. Chem. Phys, 14, 2997-3003  (2012).   (PDF)

271.   C. Ennis, R.I. Kaiser, On the Formation of Ozone in Solar System Oxygen Ices Exposed to Heavy Ions, Astrophys. J., 745, 103-110  (2012).   (PDF)

270.   D.S.N. Parker, F. Zhang, Y.S. Kim, R.I. Kaiser, A. Landera, V.V. Kislov, A.M. Mebel, A.G.G.M. Tielens, Low Temperature Formation of Naphthalene and its Role in the Synthesis of PAHs (Polycyclic Aromatic Hydrocarbons) in the Interstellar Medium, PNAS, 109, 53-58  (2012).   (PDF)   (SI)

269.   R.I. Kaiser, D.S.N. Parker, M. Goswami, F. Zhang, V.V. Kislov, A.M. Mebel, J. Aguilera-Iparraguirre, W.H. Green, Crossed Beam Reaction of Phenyl and D5-Phenyl Radicals with Propene and Deuterated Counterparts-Competing Atomic Hydrogen and Methyl Loss Pathways, Phys. Chem. Chem. Phys, 14, 720-729  (2012).   (PDF)

268.   R.I. Kaiser, X. Gu, F. Zhang, P. Maksyuntenko, Crossed Beam Reaction of Methylidyne [CH(X²Π)] with D2-Acetylene [C₂D₂(X¹Σ_g⁺)] and D1-Methylidyne [CD(X²Π)] with Acetylene [C₂D₂(X¹Σ_g⁺)], Phys. Chem. Chem. Phys, 14, 575-588  (2012).   (PDF)

267.   F. Zhang, P. Maksyuntenko, R.I. Kaiser, Chemical Dynamics of the CH(X²Π)] + C₂H₄(X¹A_1g), CH(X²Π) + C₂D₄(X¹A_1g), and CD(X²Π) + C₂H₄(X¹A_1g) Reactions Studied Under Single Collision Conditions, Phys. Chem. Chem. Phys, 14, 529-537  (2012).   (PDF)

266.   A.V. Wilson, D.S.N. Parker, F. Zhang, R.I. Kaiser, Crossed Beam Study of the Atom-Radical Reaction of Ground State Carbon Atoms (C(³P)) with the Vinyl Radical (C₂H₃(X²A')), Phys. Chem. Chem. Phys, 14, 477-481  (2012).   (PDF)

265.   S.B. Morales, C.J. Bennett, S.D. Le Picard, A. Canosa, I.R. Sims, B-J Sun, P.H. Chen, A.H.H. Chang, V.V. Kislov, A.M. Mebel, X. Gu, F. Zhang, P. Maksyutenko, R.I. Kaiser, A Crossed Molecular Beam, Low-Temperature Kinetics, and Theoretical Inverstigation of the Reaction of the Cyano Radical (CN) with 1,3-Butandiene (C₄H₆). A Route to Complex Nitrogen-Bearing Molecules in Low-Temperature Extraterrestrial Environments, Astrophys. J., 742, 26-35  (2011).   (PDF)

264.   D.S.N. Parker, F. Zhang, R.I. Kaiser, V. Kislov, A.M. Mebel, Indene Formation under Single-Collision Conditions from Reaction of Phenyl Radicals with Allene and Methylacetylene - A Crossed Molecular Beam and Ab Initio Study, Chem. Asian J., 6, 3035-3042  (2011).   (PDF)

263.   D.S.N. Parker, F. Zhang, R.I. Kaiser, Phenoxy Radical (C₆H₅O) Formation under Single Collision Conditions from Reaction of the Phenyl Radical (C₆H₅, X²A₁) with Molecular Oxygen (O₂, X³Σ_g^-): The Final Chapter?, J. Phys. Chem. A, 115, 11515-11518  (2011).   (PDF)

262.   C. Ennis, H. Yuan, S.J. Sibener, R.I. Kaiser, On The Chemical Processing of Hydrocarbon Surfaces by Fast Oxygen Ions, Phys. Chem. Chem. Phys., 13, 17870-17884  (2011).   (PDF)

261.   R.I. Kaiser, M. Goswami, P. Maksyutenko, F. Zhang, Y.S. Kim, A. Landera, A.M. Mebel, A Crossed Molecular Beams and Abm Initio Study on the Formation of C₆H₃ Radicals. An Interface between Resonantly Stabilized and Aromatic Radicals, J. Phys. Chem. A., 115, 10251-10258  (2011).   (PDF)

260.   P. Maksyutenko, D.S.N. Parker, F. Zhang, R.I. Kaiser, An LIF Characterization of Supersonic BO (X²Σ⁺) and CN (X²Σ⁺) Radical Sources for Crossed Beam Studies, RSI, 82, 083107/1-7  (2011).   (PDF)

259.   R.I. Kaiser, W. Zheng, Y. Osumura, A.H.H. Chang, Low Temperature Spectroscopy and Irradiation Effects on Solar System Ices - Kuiper Belt Objects as a Case Study, Phys. Chem. Chem. Phys., 13, 15747-15748  (2011).   (PDF)

258.   H. Kayi, R.I. Kaiser, J.D. Head, A Theoretical Investigation of the Low Energy Conformers of the Isomers Glycine and Methylcarbamic Acid and Their Role in the Interstellar Medium, Phys. Chem. Chem. Phys., 13, 15774-15784  (2011).   (PDF)

257.   Y.S. Kim, F. Zhang, R.I. Kaiser, Laboratory Simulation of Kuiper Belt Object Volatile Ices under Ionizing Radiation: CO-N₂ Ices as a Case Study, Phys. Chem. Chem. Phys., 13, 15766-15773  (2011).   (PDF)

256.   W. Zheng, Y.S. Kim, R.I. Kaiser, Formation of Nitric Oxide and Nitrous Oxide in electron-irradiated H₂¹⁸O/N₂ Ice Mixtures-Evidence for the Existence of Free Oxygen Atoms in interstellar and Solar System Analog Ices, Phys. Chem. Chem. Phys., 13, 15749-15754  (2011).   (PDF)

255.   F. Zhang, R.I. Kaiser, V.V. Kislov, A.M. Mebel, A. Golan, M. Ahmed, A VUV Photoionization Study of the Formation of the Indene Molecule and Its Isomers, J. Phys. Chem. Lett., 2, 1731-1735  (2011).   (PDF)

254.   H. Kayi, R.I. Kaiser, J.D. Head, A Computational Study on the Structures of Methylamine-Carbon Dioxide-Water Clusters: Evidence for the Barrier Free Formation of the Methylcarbamic Acid Zwitterion (CH₃NH₂⁺COO^-) in Interstellar Water Ices, Phys. Chem. Chem. Phys. 13, 11083-11098  (2011).   (PDF)

253.   B.M. Jones, C.J. Bennett, R.I. Kaiser, Mechanistical Studies on the Production of Formamide (H₂NCHO) within Interstellar Ice Analogs, Astrophys. J. 734:78, 1-12  (2011).   (PDF)

252.   C.P. Ennis, C.J. Bennett, B.M. Jones, R.I. Kaiser, Formation of D₂-Water and D₂-Carbonic Acid in Oxygen-Rich Solar System Ices via D₂⁺ Irradiation, Astrophys. J. 733:79, 1-11  (2011).   (PDF)

251.   C.P. Ennis, C.J. Bennett, R.I. Kaiser, On the Formation of Ozone in Oxygen-rich Solar System Ices via Ionizing Radiation, Phys. Chem. Chem. Phys. 13, 9469-9482  (2011).   (PDF)

250.   D.S.N. Parker, F. Zhang, P. Maksyutenko, R.I. Kaiser, A.H.H. Chang, A Crossed Beam and ab initio Investigation of the Reaction of Boron Monoxide (¹¹BO; X²Σ⁺) with Acetylene (C₂H₂; X¹Σ_g⁺), Phys. Chem. Chem. Phys. 13, 8560-8570  (2011).   (PDF)

249.   N.L. Evans, S. Ullrich, C.J. Bennett, R.I. Kaiser, On the Interaction of Adenine with Ionizing Radiation: Mechanistical Studies and Astrobiological Implications, Astrophys. J. 730:69, 1-10  (2011).   (PDF)

248.   Y.S. Kim, R.I. Kaiser, On the Formation of Amines (RNH₂) and the Cyanide Anion (CN^-) in Electron-Irradiated Ammonia-Hydrocarbon Interstellar Model Ices, Astrophys. J. 729:68, 1-7  (2011).   (PDF)

247.   D.S.N. Parker, F. Zhang, Y.S. Kim, R.I. Kaiser, A.M. Mebel, On the Formation of Resonantly Stabilized C₅H₃ Radicals - A Crossed Beam and Ab Initio Study of the Reaction of Ground State Carbon Atoms with Vinylacetylene, J. Phys. Chem. A 115, 593-601  (2011).   (PDF)

246.   F. Zhang, D.S.N. Parker, Y.S. Kim, R.I. Kaiser, A.M. Mebel, On the Formation of Ortho-benzyne (o-C₆H₄) Under Single Collision Conditions and its Role in Interstellar Chemistry, Astrophys. J. 728:141, 1-10  (2011).   (PDF)

245.   A. Quinto-Hernandez, A.M. Wodtke, C.J. Bennett, Y.S. Kim, R.I. Kaiser, On the Interaction of Methyl Azide (CH₃N₃) Ices with Ionizing Radiation: Formation of Methanimine (CH₂NH), Hydrogen Cyanide (HCN), and Hydrogen Isocyanide (HNC), J. Phys. Chem. A 115, 250-264  (2011).   (PDF)

244.   A. Landera, R.I. Kaiser, A.M. Mebel, Addition of One and Two Units of C₂H to Styrene: A Theoretical Study of the C₁₀H₉ and C₁₂H₉ Systems and Implications towards Growth of Polycyclic Aromatic Hydrocarbons at Low Temperatures, J. Chem. Phys. 134, 024302/1-13  (2011).   (PDF)

243.   B.M. Jones, F. Zhang, R.I. Kaiser, A. Jamal, A.M. Mebel, M.A. Cordiner, S.B. Charnley, Formation of Benzene in the Interstellar Medium, PNAS 108, 452-457  (2011).   (PDF)

242.   C.J. Bennett, T. Hama, Y.S. Kim, M. Kawasaki, R.I. Kaiser, Laboratory Studies on the Formation of Formic Acid (HCOOH) in Interstellar and Cometary Ices, Astrophys. J. 727, 27-37  (2011).   (PDF)

241.   B. Sivaraman, A.M. Mebel, N.J. Mason, D. Babikov, R.I. Kaiser, On the Electron-Induced Isotope Fractionation in Low Temperature ³²O₂/³⁶O₂ Ices - Ozone as a Case Study, Phys. Chem. Chem. Phys. 13, 421-427  (2011).   (PDF)

240.   P. Maksyutenko, F. Zhang, X. Gu, R.I. Kaiser, A Crossed Molecular Beam Study on the Reaction of Methylidyne Radicals [CH(X²Π)] with Acetylene [C₂H₂(X¹Σ_g⁺)] - Competing C₃H₂ + H and C₃H + H₂ Channels, Phys. Chem. Chem. Phys. 13, 240-252  (2011).   (PDF)

239.   R.I. Kaiser, P. Maksyutenko, C. Ennis, F. Zhang, X. Gu, A.M. Mebel, O. Kostko, M. Ahmed, Untangling the Chemical Evolution of Titan's Atmosphere and Surface - From Homogeneous to Heterogeneous Chemistry, Faraday Discussion 147: Chemistry of the Planets, 429-478  (2010).   (PDF)

238.   Y.S. Kim, R.I. Kaiser, Abiotic Formation of Carboxylic Acids (RCOOH) in Interstellar and Solar System Model Ices, Astrophys. J. 725, 1002-1010  (2010).   (PDF)

237.   F. Zhang, P. Maksyutenko, R.I. Kaiser, A.M. Mebel, A. Gregusova, S. Ajith Perera, R.J. Bartlett, Gas Phase Synthesis of the Imidoborane Molecule (HNBH) - An Isoelectronic Molecule of Acetylene (HCCH), J. Phys. Chem. A 114, 12148-12154  (2010).   (PDF)

236.   C.P. Ennis, R.I. Kaiser, Mechanistical Studies on the Electron-Induced Degradation of Polymers: polymethylmethacrylate and Kapton, Phys. Chem. Chem. Phys. 12, 14902-14915  (2010).   (PDF)

235.   C.P. Ennis, R.I. Kaiser, Mechanistical Studies on the Electron-Induced Degradation of Polymers: Polyethylene, Polytetrafluoroethylene, and Polystyrene, Phys. Chem. Chem. Phys. 12, 14884-14901  (2010).   (PDF)

234.   C.J. Bennett, B. Jones, E. Knox, J. Perry, Y.S. Kim, R.I. Kaiser, Mechanistical Studies on the Formation and Nature of the "XCN" (OCN^-) Species in Interstellar Ices, Astrophys. J. 723, 641-648  (2010).   (PDF)

233.   P. Maksyutenko, F. Zhang, Y.S. Kim, R.I. Kaiser, S.H. Chen, C.C. Wu, A.H.H. Chang, Untangling the Chemical Dynamics of the Reaction of Boron Atoms, ¹¹B(²P_j), with Diacetylene, C₄H₂(X¹Σ_g⁺) - A Crossed Molecular Beams and Ab Initio Study, J. Phys. Chem. A 114, 10936-10943  (2010).   (PDF)

232.   J. He, K. Gao, G. Vidali, C.J. Bennett, R.I. Kaiser, Formation of Molecular Hydrogen from Methane Ice, Astrophys. J., 721, 1656-1662  (2010).   (PDF)

231.   N. Balucani, F. Zhang, R.I. Kaiser, Elementary Reactions of Boron Atoms with Hydrocarbons - Toward the Formation of Organo-Boron Compounds, Chem. Rev. 110, 5107-5127  (2010).   (PDF)

230.   B. Jones, P. Matsyutenko N.C. Su, A.H.H. Chang, R.I. Kaiser, Crossed Molecular Beam Study on the Ground State Reaction of Atomic Boron [B(²P_j)] with Hydrogen Cyanide [HCN(X¹Σ⁺)], J. Phys. Chem. A 114, 8999-9006  (2010).   (PDF)

229.   R.I. Kaiser, B-J Sun, H.M. Lin, A.H.H. Chang, A.M. Mebel, O. Kostko, M. Ahmed, An Experimental and Theoretical Study on the Ionization Energies of Polyynes (H(CC)_nH; n = 1-9), Astrophys. J. 719, 1884-1889  (2010).   (PDF)

228.   A.D. Estillore, L.M. Visger, R.I. Kaiser, A.G. Suits, Crossed-Beam Imaging of the H Abstraction Channel in the Reaction of CN with 1-Pentene, J. Phys. Chem. Lett. 1, 2417-2421  (2010).   (PDF)

227.   C.J. Bennett, S.B. Morales, S.D. Le Picard, A. Canosa, I.R. Sims, Y.H. Shih, A.H.H. Chang, X. Gu, F. Zhang, R.I. Kaiser, A chemical dynamics, kinetics, and theoretical study on the reaction of the cyano radical (CN; X²Σ⁺) with phenylacetylene (C₆H₅CCH; X¹A₁), Phys. Chem. Chem. Phys. 12, 8737-8749  (2010).   (PDF)

226.   L. Zhou, W. Zheng, R.I. Kaiser, A. Landera, A.M. Mebel, M.C. Liang, Cosmic-Ray-Mediated Formation of Benzene on the Surface of Saturn's Moon Titan, Astrophys. J. 718, 1243-1251  (2010).   (PDF)

225.   O. Kostko, J. Zhou, B-J Sun, J.S. Lie, A.H.H. Chang, R.I. Kaiser, M. Ahmed, Determination of Ionization Energies of C_nN (n = 4 - 12): Vacuum Ultraviolet Photoionization Experiments and Theoretical Calculations, Astrophys. J. 717, 674-682  (2010).   (PDF)

224.   R.I. Kaiser, W. Carrier, Y. Osamura, R.M. Mahfouz, Infrared Spectroscopic Detection of the Methylgermyl (H₂GeCH₃) Radical and its Perdeuterated Counterpart in Low Temperature Matrices, Chem. Phys. Lett. 492, 226-234  (2010).   (PDF)

223.   C. Huang, F. Zhang, R.I. Kaiser, V.V. Kislov, A.M. Mebel, R. Silva, W.K. Gichuhi, A.G. Suits, Photodissociation of the Diacetylene Dimer and Implications for Hydrocarbon Growth in Titan's Atmosphere, Astrophys. J. 714, 1249-1255  (2010).   (PDF)

222.   B. Jones, F. Zhang, P. Maksyutenko, A.M. Mebel, R.I. Kaiser, Crossed Molecular Beam Study on the Formation of Phenylacetylene and Its Relevance to Titan's Atmosphere, J. Phys. Chem. A 114, 5256-5262  (2010).   (PDF)

221.   W. Zheng, R.I. Kaiser, Formation of Hydroxylamine (NH₂OH) in Electron-Irradiated Ammonia-Water Ices, J. Phys. Chem. A 114, 5251-5255  (2010).   (PDF)

220.   C.J. Bennett, C.S. Jamieson, R.I. Kaiser, Mechanistical Studies on the Formation and Destruction of Carbon Monoxide (CO), Carbon Dioxide (CO₂), and Carbon Trioxide (CO₃) in Interstellar Ice Analog Samples, Phys. Chem. Chem. Phys. 12, 4032-4050  (2010).   (PDF)

219.   F. Zhang, B. Jones, P. Maksyutenko, R.I. Kaiser, C. Chin, V.V. Kislov, A.M. Mebel, Formation of the Phenyl Radical [C₆H₅(X²A₁)] under Single Collision Conditions: A Crossed Molecular Beam and Ab Initio Study, J. Am. Chem. Soc. 132, 2672-2683  (2010).   (PDF)

218.   Y.S. Kim, C.J. Bennett, L. Sheng, O'Brian, R.I. Kaiser, Laboratory Study on the Irradiation of Solid Ethane Analog Ices and Implications to Titan's Chemistry, Astrophys. J. 711, 744-756  (2010).   (PDF)

217.   R.I. Kaiser, Reaction Dynamics of Carbon-Centered Radicals in Extreme Environments Studied by the Crossed Molecular Beams Technique, Carbon-Centered Radicals: Structure, Dynamics and Reactivity. Malcolm D. E. Forbes, Editor, Wiley, p. 221-248  (2010).

216.   R.I. Kaiser, A.M. Mebel, O. Kostko, M. Ahmed. On the Ionization Energies of C₄H₃ Isomers, Chem. Phys. Lett. 485, 281-285  (2010).   (PDF)

215.   C.H. Huang, R.I. Kaiser, A.H.H. Chang, Theoretical Study on the Reaction of Ground State Cyano Radical with Propylene in Titan's Atmosphere, J. Phys. Chem. A 113, 12675-12685  (2009).   (PDF)

214.   S. Krishtal, A.M. Mebel, R.I. Kaiser, A Theoretical Study of the Reaction Mechanism and Product Branching Ratios of C₂H + C₂H₄ and Related Reactions on the C₄H₅ Potential Energy Surface, J. Phys. Chem. A (Special Issue) 113, 11112-11128  (2009).   (PDF)

213.   F. Zhang, S. Kim, R.I. Kaiser, S.P. Krishtal, A.M. Mebel, Crossed Molecular Beams Study on the Formation of Vinylacetylene in Titan's Atmosphere, J. Phys. Chem. A (Special Issue) 113, 11167-11173  (2009).   (PDF)

212.   W. Zheng, D.C. Jewitt, R.I. Kaiser, On the State of Water Ice on Saturn's Moon Titan and Implications to Icy Bodies in the Outer Solar System, J. Phys. Chem. A (Special Issue) 113, 11174-11181  (2009).   (PDF)

211.   R.I. Kaiser, F. Zhang, X. Gu, V.V. Kislov, A.M. Mebel, Reaction Dynamics of the Phenyl Radical (C₆H₅) with 1-Butyne (HCCC₂H₅) and 2-Butyne (CH₃CCCH₃), Chem. Phys. Lett. 481, 46-53  (2009).   (PDF)

210.   X. Gu, Y.S. Kim, R.I. Kaiser, A.M. Mebel, M.C. Liang, Y.L. Yung, Chemical Dynamics of Triacetylene Formation and Implications to the synthesis of polyynes in Titan's Atmosphere, PNAS 106, 16078-16083  (2009).   (PDF)

209.   R.I. Kaiser, X. Gu, Chemical Dynamics of the Formation of the Ethynylsilylidyne Radical (SiCCH(X²Π)) in the Crossed Beam Reaction of Ground State Silicon Atoms (Si(³P)) with Acetylene (C₂H₂(X¹Σ_g⁺)), J. Chem. Phys. 131, 104311/1-6  (2009).   (PDF)

208.   J. Sun, C.H. Huang,, M.F. Tsai, H.L. Sun, L.G. Gao, Y.S. Wang, Y.Y. Yeh, Y.H. Shih, Z.F. Sia, P.H. Chen, R.I. Kaiser, A.H.H. Chang, Synthesis of Interstellar 1,3,5-Heptatriynylidyne, C₇H(X²Π), via the Neutral-Neutral Reaction of Ground State Carbon Atom, C(³P) with Triacetylene, HC₆H.(X¹Σ_g⁺), J. Chem. Phys. 131, 104305/1-13  (2009).   (PDF)

207.   X. Gu, R.I. Kaiser, A.M. Mebel, V.V. Kislov, S.J. Klippenstein, L.B. Harding, M.C. Liang, Y.L. Yung, A Crossed Molecular Beams Study on the Formation of the Exotic Cyanoethynyl Radical in Titan's Atmosphere, Astrophys. J. 701 1797-1803  (2009).   (PDF)

206.   F. Zhang, S. Kim, R.I. Kaiser, A.M. Mebel, A Crossed Beams and Ab Initio Investigation on the Formation of Cyanodiacetylene in the Reaction of Cyano Radicals with Diacetylene, J. Chem. Phys. 130 234308  (2009).   (PDF)

205.   F. Zhang, S. Kim, R.I. Kaiser, A Crossed Molecular Beams Study of the Reaction of the Ethynyl Radical (C₂H(X²Σ⁺) with Allene (H₂CCCH₂(X¹A₁)), Phys. Chem. Chem. Phys. 11, 4707-4714  (2009).   (PDF)

204.   C.J. Bennett, C.S. Jamieson, R.I. Kaiser, Mechanistical Studies on the Formation of Carbon Dioxide in Extraterrestrial, Carbon Monoxide Ice Analog Samples, Phys. Chem. Chem. Phys. 11, 4210-4218  (2009).   (PDF)

203.   X. Gu, F Zhang, R.I. Kaiser, V.V. Kislov, A.M. Mebel, Reaction Dynamics of the Phenyl Radical with 1,2-Butadiene, Chem. Phys. Lett. 474, 51-56  (2009).   (PDF)

202.   L. Zhou, R.I. Kaiser, A.T. Tokunaga, Infrared Spectroscopy of Crystalline and Amorphous Diacetylene (C₄H₂) and Implications to Titan's Atmospheric Conditon, Planet. Space Sciences 57, 830-835  (2009).   (PDF)

201.   C.J. Bennett, C.S. Jamieson, R.I. Kaiser, An Experimental Investigation of the Decomposition of Carbon Monoxide and Formation Routes to Carbon Dioxide in Interstellar Ices, Astrophys. J. Suppl. Ser. 182, 1-11  (2009).   (PDF)

200.   C.S. Jamieson, A.H.H. Chang, R.I. Kaiser, A laboratory study on the thermally induced transformation of hydrogen cyanide (HCN) to the cyanogen anion (CN^-) in Solar System analog ices, Advances in Space Research 43 1446-1450  (2009).   (PDF)

199.   Y.S. Kim, R.I. Kaiser, An Infrared Spectroscopic Study of Amorphous and Crystalline Ices of Vinylacetylene and Implications for Saturn's Satellite Titan, Astrophys. J. Suppl. Ser. 181, 543-547  (2009).   (PDF)

198.   W. Zheng, D.C. Jewitt, R.I. Kaiser, Infrared Spectra of Ammonia-Water Ices, Astrophys. J. Suppl. Ser. 181, 53-61  (2009).   (PDF)

197.   X. Gu, R.I. Kaiser, Reaction Dynamics of Phenyl Radicals in Extreme Environments: A Crossed Molecular Beam Study, Acc. Chem. Res. 42, 290-302  (2009).   (PDF)

196.   F. Zhang, Y.S. Kim, R.I. Kaiser, A.M. Mebel, On the Formation of the 1,3,5-Hexatriynyl Radical (C₆H(X²Π)) via the Crossed Beams Reaction of Dicarbon (C₂(X¹Σ_g⁺/a³Π_u)), with Diacetylene (C₄H₂(X¹Σ_g⁺)), J. Phys. Chem. A 113, 1210-1217  (2009).   (PDF)

195.   X. Gu, F. Zhang, R.I. Kaiser, A Crossed Molecular Beam Study of the Phenyl Radical Reaction with 1,3-Butadiene and its Deuterated Isotopomers, J. Phys. Chem. A 113, 998-1006  (2009).   (PDF)

194.   R.I. Kaiser, A.M. Mebel, On the Formation of Higher Carbon Oxides in Extreme Environments, Invited Frontiers Article. Chem. Phys. Lett. 465, 1-9  (2008).   (PDF)

193.   L. Zhou, R.I. Kaiser, L.G. Gao, A.H.H. Chang, M.C. Liang, Y.Y. Yung, Pathways to Oxygen-Bearing Molecules in the Interstellar Medium and in Planetary Atmospheres: Cylopropenone (c-C₃H₂O) and Propynal (HCCCHO), Astrophys. J. 686, 1493-1502  (2008).   (PDF)

192.   F. Zhang, Y.S. Kim, L. Zhou, A.H.H. Chang, R.I. Kaiser, Directed Gas Phase Synthesis of the Interstellar 2,4-Pentadiynylidyne Radical (HCCCCC), J. Chem. Phys. 129, 134313  (2008).   (PDF)

191.   A. M. Mebel, V.V. Kislov, R.I. Kaiser, Photoinduced Mechanism of Formation and Growth of Polycyclic Aromatic Hydrocarbons in Low-Temperature Environments via Successive Ethynyl Radical Additions, J. Am. Chem. Soc. 130, 13618-13629  (2008).   (PDF)

190.   X. Gu, F. Zhang, R.I. Kaiser, Reaction Dynamics on the Formation of 1- and 3-Cyanopropylene in the Crossed Beams Reaction of Ground State Cyano Radicals (CN) with Propylene (C₃H₆) and Its Deuterated Isotopologues, J. Phys. Chem. A 112, 9607-9613  (2008).   (PDF)

189.   C.J. Bennett, C.S. Jamieson, R.I. Kaiser, Mechanistical Studies on the Decomposition of Carbon Suboxide in a Cometary Ice Analog, Planet. Space Sciences 56, 1181-1189  (2008).   (PDF)

188.   A. Landera, A.M. Mebel, R.I. Kaiser, Theoretical Study of the Reaction Mechanism of Ethynyl Radical with Benzene and Related Reactions on the C₈H₇ Potential Energy Surface, Chem. Phys. Lett. 459, 54-59  (2008).   (PDF)

187.   C.Y. Huang, B-J. Sun, H.H. Kuo, K.T. Chen, H.L. Sun, C.H. Huang, M.F. Tsai, C.H. Kao, Y.S. Wang, L.G. Gao, R.I. Kaiser, Formation of Interstellar 4-Pentadiynylidene,HCCCCC(X²Π), via the Neutral-Neutral Reaction of Ground State Carbon, C(³P) with Diacetylene, HCCCCH(X¹Σ_g⁺), J. Chem. Phys. 128, 244303/1-16  (2008).   (PDF)

186.   A. Landera, S.P. Krishtal, V.V. Kislov, A.M. Mebel, R.I. Kaiser, Theoretical Study of the C₆H₃ Potential Energy Surface and Rate Constants and Product Branching Ratios of the C₂H(²Σ⁺) + C₄H₂(¹Σ_g⁺) and C₄H(²Σ⁺) + C₂H₂(¹Σ⁺) Reactions, J. Chem. Phys. 128, 214301/1-12  (2008).   (PDF)

185.   F. Zhang, X. Gu, R.I. Kaiser, N. Balucani, A.H.H. Chang, A Crossed Beam and Ab Initio Study of the Reaction of Atomic Boron with Ethylene, J. Phys. Chem. A 112, 3837-3845  (2008).   (PDF)

184.   F. Zhang, X. Gu, Y. Guo, R.I. Kaiser, Reaction Dynamics of Phenyl Radicals (C₆H₅) with Propylene (CH₃CHCH₂) and Its Deuterated Isotopologues, J. Phys. Chem. A 112, 3284-3290  (2008).   (PDF)

183.   F. Zhang, X. Gu, R.I. Kaiser, Formation of the Diphenyl Molecule in the Crossed Beam Reaction of Phenyl Radicals with Benzene, J. Chem. Phys. 128, 084315/1-5  (2008).   (PDF)

182.   X. Gu, R.I. Kaiser, A.M. Mebel, Chemistry of Energetically Activated Cumulenes - From Allene (H₂CCCH₂) to Hexapentaene (H₂CCCCCCH₂), Invited Review. ChemPhysChem 9, 350-369  (2008).   (PDF)

181.   W. Zheng, D.C. Jewitt, Y. Osamura, R.I. Kaiser, Formation of Nitrogen and Hydrogen-Bearing Molecules in Solid Ammonia and Implications for Solar System and Interstellar Ices, Astrophys. J. 674, 1242-1250  (2008).   (PDF)

180.   F. Zhang, C.H. Kao, A.H.H. Chang, X. Gu, Y. Guo, R.I Kaiser, A Crossed Molecular Beam Study on the Reaction of Boron Atoms with Methylacetylene and Partially Deuterated Methylacetylene, ChemPhysChem 9, 95-105  (2008).   (PDF)

179.   C.S. Jamieson, A.M. Mebel, R.I. Kaiser, First detection of the C_s Symmetric Isomer of Carbon Hexaoxide (CO₆) at 10 K, Chem. Phys. Lett 450, 312-317  (2008).   (PDF)

178.   F. Zhang, X. Gu, R.I. Kaiser, H.F. Bettinger, A Reinvestigation of the Gas Phase Reaction of Boron Atoms, ¹¹B(²P_j)/¹⁰B(²P_j) with Acetylene, C₂H₂(X¹Σ_g⁺), Chem. Phys. Lett. 450 178-185  (2008).   (PDF)

177.   F. Zhang, A.H.H. Chang, X. Gu, R.I. Kaiser, A Crossed Molecular Beam Study on the Reaction of Boron Atoms, B(²P_j), with Allene, H₂CCCH₂(X¹A₁), J. Phys. Chem. A 111, 13305-13310  (2007).   (PDF)

176.   M.J. Mottl, B.T. Glazer, R.I. Kaiser, K.J. Meech, Water and Astrobiology, Geochemistry 67, 253-282  (2007).   (PDF)

175.   W. Zheng, R.I. Kaiser, On the Formation of Carbonic Acid (H₂CO₃) in Solar System Ices, Chem. Phys. Lett. 450, 55-60  (2007).   (PDF)

174.   X. Gu, Y. Guo, A.M. Mebel, R.I. Kaiser, A Crossed Beams Investigation of the Reactions of Tricarbon Molecules, C₃(X¹Σ_g⁺), with Acetylene, C₂H₂(X¹Σ_g⁺), Ethylene, C₂H₄(X¹A_g), and Benzene C₆H₆(X¹A_1g), Chem. Phys. Lett. 449, 44-52  (2007).   (PDF)

173.   A.M. Mebel, V. V. Kislov, R.I. Kaiser, Theoretical Studies of Potential Energy Surfaces and Product Branching Ratios for the Reactions of C₂ with Small Unsaturated Hydrocarbons (Acetylene, Ethylene, Methylacetylene, and Allene), Gas Phase Molecular Reaction and Photodissociation Dynamics, Editors: K.C. Lin and P.D. Kleiber, Transworld Research Network, pp. 113-159  (2007).   (PDF)

172.   X. Gu, F. Zhang, Y. Guo, R.I. Kaiser, Reaction Dynamics of Phenyl Radicals (C₆H₅, X²A') with Methylacetylene (CH₃CCH(X¹A₁)), Allene (H₂CCCH₂(X¹A₁)), and Their D4-Isotopomers, J. Phys. Chem. A 111, 11450-11459  (2007).   (PDF)

171.   B. Sivaraman, C.S. Jamieson, N.J. Mason, R.I. Kaiser, Temperature-Dependent Formation of Ozone in Solar Oxygen by 5 keV Electron Irraditation and Implications for System Ices, Astrophys. J. 669, 1414-1421  (2007).   (PDF)

170.   X. Gu, F. Zhang, R.I. Kaiser, A Crossed Beam Reaction of the Phenyl Radical, (C₆H₅, X²A₁) with Molecular Oxygen (O₂; X³Σ_g^-): Observation of the Phenoxy Radical, (C₆H₅O, X²A'), Chem. Phys. Lett. 448, 7-10  (2007).   (PDF)

169.   F. Zhang, X. Gu, Y. Guo, R.I. Kaiser, Reaction Dynamics on the Formation of Styrene: A Crossed Molecular Beam Study of the Reaction of Phenyl Radicals with Ethylene, J. Organic Chem. 72, 7597-7604  (2007).   (PDF)

168.   X. Gu, F. Zhang, Y. Guo, R.I. Kaiser, A Crossed Molecular Beam Study on the Formation of Phenylacetylene from Phenyl Radicals and Acetylene, Angew. Chem., Int. Ed., 46, 6866-6869  (2007).   (PDF)

167.   X. Gu, Y. Guo, F. Zhang, A.M. Mebel, R.I. Kaiser, Unimolecular Decomposition of Chemically Activated Singlet and Triplet D3-Methyldiacetylene Molecules, Chem. Phys. Lett. 444, 220-225  (2007).   (PDF)

166.   C.S. Jamieson, A.M. Mebel, R.I. Kaiser, First detection of the C₂ symmetric Isomer of Carbon Pentaoxide (CO₅) at 10 K, Chem. Phys. Lett. 443, 49-54  (2007).   (PDF)

165.   A.M. Mebel, G.S. Kim, V.V. Kislov, R.I. Kaiser, The Reaction of Tricarbon with Acetylene: An Ab Initio/RRKM Study of the Potential Energy Surface and Product Branching Ratios, J. Phys. Chem. A 111, 6704-6712  (2007).   (PDF)

164.   J.G. Longenecker, A.M. Mebel, R.I. Kaiser, First Infrared Spectroscopic Detection of the Monobridged (B₂H₅; C_2v) Diboranyl Radical in Low Temperature Diborane Ices, Inorg. Chem. 46, 5739-2743  (2007).   (PDF)

163.   X. Gu, Y. Guo, F. Zhang, A.M. Mebel, R.I. Kaiser, A Crossed Molecular Beams Study on the Formation and Energetics of the Resonantly Stabilized Free i-C₄H₃(X²A¹) radical, and its Isotopomers, Chem. Phys. 335, 95-108  (2007).   (PDF)

162.   C.J. Bennett, R.I. Kaiser, On the Formation of Glycolaldehyde (HCOCH₂OH) and Methyl Formate (HCOOCH₃) in Interstellar Ice Analogs, Astrophys. J. 661, 899-909  (2007).   (PDF)

161.   Y. Guo, A.M. Mebel, F. Zhang, X. Gu, R.I. Kaiser, Crossed Molecular Beam Studies of the Reactions of Allyl Radicals, C₃H₅(X²A₂) with Methylacetylene (CH₃CCH(X¹A₁)), Allene (H₂CCCH₂(X¹A₁)), and Their Isotopomers, J. Phys. Chem. A 111, 4914-4921  (2007).   (PDF)

160.   R.I. Kaiser, L. Belau, S.R. Leone, M. Ahmed, Y. Wang, B.J. Braams, J. Bowman, A Combined Experimental and Computational Study on the Ionization Energies of the Cyclic and Linear C₃H Isomers, ChemPhysChem 8, 1236-1239  (2007).   (PDF)

159.   W. Zheng, R.I. Kaiser, An Infrared Spectroscopy Study of the Phase Transition in Solid Ammonia, Chem. Phys. Lett. 440, 229-234  (2007).   (PDF)

158.   W. Zheng, D.C. Jewitt, R.I. Kaiser, Mechanistical Studies on the Formation of Hydrogen Peroxide (HOOH), Hydrotrioxy (HOOO), and Dihydro gentrioxide (HOOOH) in Electron-Irradiated H₂¹⁸O/O₂ Ice Mixtures, Phys. Chem. Chem. Phys. 20, 2556-2563  (2007).   (PDF)

157.   F. Zhang, Y. Guo, X. Gu, R.I. Kaiser, A Crossed Molecular Beam Study on the Reaction of Boron Atoms, B(²P_j), with Benzene, C₆H₆ (X¹A_1g), and D6-bezene C₆D₆(X¹A_1g), Chem. Phys. Lett. 440, 56-63  (2007).   (PDF)

156.   C.S. Jamieson, R. I. Kaiser, Isotopic Study of the Formation of the Azide Radical (N₃), Chem. Phys. Lett. 440, 98-104  (2007).   (PDF)

155.   C.S. Jamieson, A.M. Mebel, R.I. Kaiser, Novel Detection of the C_2v Isomer of Carbon Tetraoxide (CO₄), Chem. Phys. Lett. 440, 105-109  (2007).   (PDF)

154.   C.J. Bennett, S.H.Chen, B-J Sun, A.H.H. Chang, R.I. Kaiser, Mechanistical Studies on the Irradiation of Methanol in Extraterrestrial Ices, Astrophys. J. 660, 1588-1608  (2007).   (PDF)

153.   C.J. Bennett, R.I. Kaiser, The Formation of Acetic Acid (CH₃COOH) in Interstellar Ice Analogs, Astrophys. J. 660, 1289-1295  (2007).   (PDF)

152.   Y. Guo, X. Gu, F. Zhang, A.M. Mebel, R.I. Kaiser, A Crossed Molecular Beam Study on the Formation of Hexenediynyl Radicals (H₂CCCCCCH; C₆H₃ (X²A')) via Reactions of Tricarbon Molecules, C₃(X¹ Σ_g⁺), with Allene (H₂CCCH₂; X¹A₁) and Methylacetylene (CH₃CCH; X¹A₁), Phys. Chem. Chem. Phys, 9, 1972-1979  (2007).   (PDF)

151.   Y. Guo, X. Gu, F. Zhang, B-J Sun, M.F. Tsai, A.H.H. Chang, R.I. Kaiser, Unraveling the Formation of HCPH (X²A^') Molecules in Extraterrestrial Environments: Crossed Molecular Beam Study of the Reaction of Carbon Atoms, C(³P_j), with Phosphine, PH₃(X¹A₁), J. Phys. Chem. A. 111, 3241-3247  (2007).   (PDF)

150.   X. Gu,Y. Guo, F. Zhang, R.I. Kaiser, Investigating the Chemical Dynamics of the Reaction of Ground-State Carbon Atoms with Acetylene and Its Isotopomers, J. Phys. Chem. A. 111, 2980-2992  (2007).   (PDF)

149.   X. Gu,Y. Guo, R.I. Kaiser, Mass Spectra of the 2,4-Pentadiynylidyne (C₅H; X²П) and the 2,4-Pentadiynyl-1 (n-C₅H₃; X²B₁) Radicals, Int. J. Mass Spectrometry 261, 100-107  (2007).   (PDF)

148.   X. Gu,Y. Guo, F. Zhang, A.M. Mebel, R.I. Kaiser, A Crossed Molecular Beams Study of the Reaction of Dicarbon Molecules with Benzene, Chem. Phys. Lett 436, 7-14  (2007).   (PDF)

147.   W. Carrier, C.S.Jamieson, R.I. Kaiser, Mechanistic Studies on the Formation of Trifluoromethyl Sulfur Pentafluoride, SF₅CF₃ - A Greenhouse Gas, Inorg. Chem. 46, 1332-1336  (2007).   (PDF)

146.   W. Zheng, D.C. Jewitt, R.I. Kaiser, Electron Irradiation of Crystalline and Amorphous D₂O Ice, Chem. Phys. Lett. 435, 289-294  (2007).   (PDF)

145.   W. Carrier, W. Zheng, Y. Osamura, R.I. Kaiser, Laboratory Investigations on the Infrared Absorptions of Germanium-Bearing Molecules--Directing the Identification of Organo-Germanium Molecules in the Atmospheres of Jupiter and Saturn, Astrophys. J., 654, 687-692  (2007).   (PDF)

144.   Y. Guo, X. Gu, F. Zhang, A.H.H. Chang, R.I. Kaiser, A Crossed Beams Study of the Reaction of Carbon Atoms, C(³P_j), with Vinyl Cyanide, C₂H₃CN(X¹A') - Investigating the Formation of Cyano Propargyl Radicals, Phys. Chem. Chem. Phys, 8, 5454 - 5461  (2006).   (PDF)

143.   C.S. Jamieson, Y. Guo, X. Gu, F. Zhang, C.J. Bennett, R.I. Kaiser, Laboratory Studies on the Formation of Carbon-Bearing Molecules in Extraterrestrial Environments - From the Gas Phase to the Solid State, Proceedings of the NASA Laboratory Astrophysics Workshop; NASA Special Issue, CP - 2006, 214549, 68-71  (2006).

142.   Y. Guo, X. Gu, F. Zhang, A.M. Mebel, R. I. Kaiser, Reaction Dynamics of Small Carbon Clusters with Unsaturated Hydrocarbons in the Interstellar Medium, in: Astrochemistry - From Laboratory Studies to Observations. American Institute of Physics, 855, 42-54  (2006).

141.   C.S. Jamieson, A.M. Mebel, R.I. Kaiser Investigating the Formation of Intermediates in the Reactions of Carbon dioxide (CO₂) with Suprathermal Oxygen and Nitrogen Atoms, in: Astrochemistry - From Laboratory Studies to Observations. American Institute of Physics, 855, 100-106  (2006).

140.   Y. Guo, V.V. Kislov, X. Gu, F. Zhang, A.M. Mebel, R.I. Kaiser, A Combined Experimental and Theoretical Study of the Reaction of Dicarbon (C₂) with D1-Acetylene (HCCD): Possible Mechanisms for Deuterium enrichment in the interstellar D1-Butadiynyl Radical, (CCCCD(X²Σ⁺)), Astrophys. J., 653, 1577-1582  (2006).   (PDF)

139.   Y. Chin, R.I. Kaiser, C. Lemme, C. Henkel, Detection of Interstellar Cyanoallene and its implications for Astrochemistry in: Astrochemistry - From Laboratory Studies to Observations, American Institute of Physics, 855, 149-153  (2006).

138.   C.S. Jamieson, A.M. Mebel, R.I. Kaiser, Identification of the D_3h isomer of carbon trioxide (CO₃) and its implications for atmospheric chemistry, ChemPhysChem, 7, 2508-2513  (2006).   (PDF)

137.   Y. Ge, K. Olsen, R.I. Kaiser, J.D. Head, The potential energy surface of the H₂O₂ system, in: Astrochemistry - From Laboratory Studies to Observations, American Institute of Physics, 855, 253-259  (2006).

136.   Y. Osamura, R.I. Kaiser, A Computational study of Si₂H and Si₂H₂ species as candidates of interstellar molecules in: Astrochemistry - From Laboratory Studies to Observations, American Institute of Physics, 855, 289-295  (2006).

135.   N.J. Mason, A. Dawes, P.D. Holtom, R.J. Mukerji, M. P. Davis, B. Sivaraman, R.I. Kaiser, S.V. Hoffmann, D.A. Shaw, VUV Spectroscopy of Extraterrestrial Ices in: Astrochemistry - From Laboratory Studies to Observations, American Institute of Physics, 855, 128-142  (2006).

134.   A. M. Mebel, V. V. Kislov, R. I. Kaiser, Ab Initio/RRKM Study of the Singlet C₄H₄ Potential Energy Surface and of the Reactions of C₂(X¹ Σ_g⁺) with C₂H₄(X¹A_1g) and C(¹D) with C₃H₄ (Allene and Methylacetylene), J. Chem. Phys. 125, 133113-1/15(2006).   (PDF)

133.   N.J. Mason, A. Dawes, P.D. Holtom, R.J. Mukerji, M.P. Davis, B. Sivaraman, R.I. Kaiser, S.V. Hoffman, D.A. Shaw, VUV spectroscopy and photo-processing of astrochemical ices: An experimental study, Faraday Discussion 133: Chemical Evolution of the Universe, 311-329  (2006).   (PDF)

132.   R.I. Kaiser, P. Bernath, Y. Osamura, S. Petrie, A.M. Mebel, Astrochemistry-From Laboratory Studies to Observations, Amwerican Institute of Physics, New York  (2006).

131.   C.J. Bennett, C.S. Jamieson, Y. Osamura, R.I. Kaiser, Laboratory studies on the irradiation of methane in interstellar, cometary, and solar system ices, Astrophys. J., 653, 792-811  (2006).   (PDF)

130.   W. Carrier, W. Zheng, Y. Osamura, R.I. Kaiser, Infrared spectroscopic identification of digermene, Ge₂H₄ (X¹A_g), and of the digermenyl radical, Ge₂H₃(X²A"), together with their deuterated counterparts in low temperature germane matrices, Chem. Phys 330, 275-286  (2006).   (PDF)

129.   X. Gu, Y. Guo, F. Zhang, A.M. Mebel, R.I. Kaiser, Reaction Dynamics of Carbon-Bearing Radicals in Circumstellar Envelopes of Carbon Stars, Faraday Discussion 133: Chemical Evolution of the Universe, 245-275  (2006).   (PDF)

128.   Y. Guo, X. Gu, F. Zhang, A.M. Mebel, R.I. Kaiser, Unimolecular Decomposition of Chemically Activated Pentatetraene (H₂CCCCCH₂) Intermediates - A Crossed Beams Study of Dicarbon Molecule Reactions with Allene, J. Phys. Chem. A 110, 10699-10707  (2006).   (PDF)

127.   W. Zheng, D. Jewitt, R.I. Kaiser, Temperature Dependence on the Formation of Hydrogen, Oxygen, and Hydrogen Peroxide in Electron-Irradiated Crystalline Water Ice, Astrophys. J. 648, 753-761  (2006).   (PDF)

126.   X. Gu, Y. Guo, A.M. Mebel, R.I. Kaiser, Chemical Dynamics of the Formation of the 1,3-Butadiynyl Radical (C₄H(X² Σ⁺)) and its Isotopomers, J. Phys. Chem. A, 110, 11265-11278  (2006).   (PDF)

125.   W. Carrier, W. Zheng, Y. Osamura, R.I. Kaiser, First infrared spectroscopic characterization of digermyl (Ge₂H₅) and d5-digermyl (Ge₂D₅) radicals in low temperature germane matrices, Chem. Phys. 325, 499-508  (2006).   (PDF)

124.   Y. Guo, X. Gu, N. Balucani, R.I. Kaiser, Formation of the 2,4-pentadiynyl-1 radical (H₂CCCCCH, X²B₁) in the Crossed Beams Reaction of Dicarbon Molecules with Methylacetylene, J. Phys. Chem. A 110, 6245-6249  (2006).   (PDF)

123.   X. Gu, Y. Guo, E. Kawamura, R.I. Kaiser, Characteristics and Diagnostics of a Ultrahigh Vacuum Compatible Laser Ablation Source for Crossed Molecular Beam Experiments, J. Vac. Science & Technology A, 24, 505-511  (2006).   (PDF)

122.   C.S. Jamieson, A.M. Mebel, R.I. Kaiser, Understanding the kinetics and dynamics of radiation-induced reaction pathways in carbon monoxide ice at 10 K, Astrophys. J., Suppl. Ser. 163, 184-206  (2006).   (PDF)

121.   Y. Guo, X. Gu, E. Kawamura, R.I. Kaiser, Design of a modular and versatile interlock system for ultrahigh vacuum machines: A crossed molecular beam setup as a case study, Rev. Sci. Instr. 77, 034701-(1-9)  (2006).   (PDF)

120.   Y. Guo, X. Gu, R.I. Kaiser, Mass Spectrum of the 1-Butene-3-yne-2-yl Radical (i-C₄H₃; X²A'), Int. J. Mass Spectrometry 249-250, 420-425  (2006).   (PDF)

119.   W. Zheng, D. Jewitt, R.I. Kaiser, Formation of Hydrogen, Oxygen, and Hydrogen Peroxide in Electron-Irradiated Crystalline Water Ice, Astrophys. J. 639, 534-548  (2006).   (PDF)

118.   A.M. Mebel, V.V. Kislov, R.I. Kaiser, Potential Energy Surface and Product Branching Ratios for the Reaction of Dicarbon,C₂(X¹ Σ_g⁺), with Methylacetylene, CH₃CCH(X¹A₁): An Ab Initio/RRKM Study, J. Phys. Chem. A 110, 2421-2433  (2006).   (PDF)

117.   H.Y. Li, W.C. Cheng, Y.L. Liu, B.J. Sun, C.Y. Huang, K.T. Chen, M.S. Tang, R.I. Kaiser, A. H. H. Chang, Reaction of cyanoacetylene HCCCN(X¹Σ⁺) with ground-state carbon atoms C(³P) in cold molecular clouds, J. Chem. Phys, 124, 44307-1-19  (2006).   (PDF)

116.   C.S. Jamieson, A.M. Mebel, R.I. Kaiser, A Matrix Isolation Study of the C_s Symmetric OCNO(X²A″) Radical, Phys. Chem. Chem. Phys. 7, 4089-4095  (2005).   (PDF)

115.   C.J. Bennett, R.I. Kaiser, Laboratory studies on the formation of ozone (O₃) on icy satellites and on interstellar and cometary ices, Astrophys. J. 635, 1362-1369  (2005).   (PDF)

114.   C.J. Bennett, Y. Osamura, M.D. Lebar, R.I. Kaiser, Laboratory studies on the formation of three C₂H₄O isomers- acetaldehyde (CH₃CHO), ethylene oxide (c-C₂H₄O), and vinyl alcohol (CH₂CHOH) - in interstellar and cometary ices, Astrophys. J. 634, 698-711  (2005).   (PDF)

113.   X. Gu, Y. Guo, H. Chan, E. Kawamura, R.I. Kaiser, Design and Characteristics of a High-Precision Chopper Wheel Motor Driver, Rev. Sci. Instr. 76, 116103-1-3  (2005).   (PDF)

112.   X. Gu, Y.Guo, R.I. Kaiser, Mass Spectrum of the Butadiynyl Radical (C₄H; X² Σ⁺), Int. J. Mass Spectr. 246, 29-34  (2005).   (PDF)

111.   X. Gu, Y. Guo, E. Kawamura, R.I. Kaiser, Design of a convection-cooled, cluster-based voltage divider chain for photomultiplier tubes, Rev. Sci. Instr. 76 083115-1-6  (2005).   (PDF)

110.   R.I. Kaiser, Y. Osamura, Laboratory Studies on the Infrared Absorptions of Hydrogenated Carbon-Silicon Clusters: Directing the Identification of Organometallic SiCH_x Species toward IRC+10216, Astrophys. J. 630, 1217-1223  (2005).   (PDF)

109.   D.S. Sillars, C.J. Bennett, Y. Osamura, R.I. Kaiser, Infrared spectroscopic detection of the methylsilyl (CH₃SiH₂, X²A') and the silylmethyl (CH₂SiH₃, X²A') radicals and their partially deuterated counterparts in low temperature matrices, Chem. Phys. 315, 41-52  (2005).   (PDF)

108.   P.D. Holtom, C.J. Bennett, Y. Osamura, N.J. Mason, R.I. Kaiser, A Combined Experimental and Theoretical Study on the Formation of the Amino Acid Glycine (NH₂CH₂COOH) and its Isomer (CH₃NHCOOH) in Extraterrestrial Ices, Astrophys. J. 626 940-952  (2005).   (PDF)

107.   C.J. Bennett, C.S. Jamieson, Y. Osamura, R.I. Kaiser, A combined experimental and computational investigation on the synthesis of acetaldehyde (CH₃CHO(X¹A')) in interstellar ices, Astrophys. J. 624, 1097-1115  (2005).   (PDF)

106.   C.S. Jamieson, C.J. Bennett, A.M. Mebel, R.I. Kaiser, Investigating the mechanism for the formation of nitrous oxide (N₂O (X¹ Σ⁺)) in extraterrestrial ices, Astrophys. J. 624, 436-447  (2005).   (PDF)

105.   N. Balucani, R.I. Kaiser, Cyanoalkynes and Cyanopolyynes: from Crossed Beam Experiments to Astrochemistry, Polyynes: Synthesis, Properties, and Applications, F. Cataldo, ed., CRS Press, New York, 285-322  (2005).

104.   R.I. Kaiser, Y. Osamura, Infrared Spectroscopic Studies of Hydrogenated Silicon Clusters: Guiding the Search for Si₂H_x Species in the Circumstellar Envelope of IRC+10216, Astron. Astrophys. 432 559-566  (2005).   (PDF)

103.   H.F. Su, R.I. Kaiser, A.H.H. Chang, A theoretical study for the reaction of vinyl cyanide C₂H₃CN(X¹A') with the ground state carbon atoms C(³P) in cold molecular clouds, J. Chem. Phys. 122, 074320/1-20  (2005).   (PDF)

102.   C.J. Bennett, D. Sillars, Y. Osamura, R.I. Kaiser, Infrared spectroscopic identification of the methylsilylidyne (SiCH₃, X²A") and the silenyl (H₂CSiH, X²A') radicals in methane-silane matrices, Chem. Phys. Lett. 404, 327-335  (2005).   (PDF)

101.   D. Sillars, C.J. Bennett, Y. Osamura, R.I. Kaiser, First infrared spectroscopic characterization of the disilyl (Si₂H₅) and d5-disilyl (Si₂D₅) radicals in low temperature silane matrices, Chem. Phys. 305, 141-153  (2004).   (PDF)

100.   D. Sillars, C.J. Bennett, Y. Osamura, R.I. Kaiser, Infrared spectroscopic detection of the disilenyl (Si₂H₃) and d3-disilenyl (Si₂D₃) radicals in silane and d4-silane matrices, Chem. Phys. Lett. 392, 541-548  (2004).   (PDF)

99.   C.J. Bennett, C. Jamieson, A.M. Mebel, R.I. Kaiser, Untangling the formation of the cyclic carbon trioxide isomer in low temperature carbon dioxide ices, Phys. Chem. Chem. Phys. 6, 735-746  (2004).   (PDF)

98.   H.F. Bettinger, R.I. Kaiser, Reaction of benzene and boron atom: Mechanism of Formation of Benzoborirene and Hydrogen Atom, J. Phys. Chem. A, 108, 4576-4586  (2004).   (PDF)

97.   R.I. Kaiser, N. Balucani, N. Galland, F. Caralp, M.T. Rayez, Y. Hannachi, Unraveling the chemical dynamics of bimolecular reactions of ground state boron atoms, B(²P_j), with acetylene, C₂H₂(X¹Σ_g⁺). Phys. Chem. Chem. Phys., 6, 2205-2210  (2004).   (PDF)

96.   R.I. Kaiser, N. Balucani, D.O. Charkin, A.M. Mebel, A crossed beam and ab initio study of the C₂(X¹Σ_g⁺/a³Π_u) + C₂H₂(X¹ Σ_g⁺) reactions, Chem. Phys. Lett. 382, 112-119  (2003).   (PDF)

95.   R.I. Kaiser, L. Vereecken, J. Peeters, H.F. Bettinger, P.v.R. Schleyer, H.F. Schaefer III, Elementary reactions of the phenyl radical, C₆H₅, with C₃H₄ isomers, and of benzene, C₆H₆, with atomic carbon in extraterrestrial environments, Astron. Astrophys., 406, 385-391  (2003).   (PDF)

94.   D. Sillars, R.I. Kaiser, N. Galland, Y. Hannachi, Crossed-beam reaction of boron atoms, B(²P_j), with dimethylacetylene, CH₃CCCH₃(X¹A_1g): Untangling the reaction dynamics to form the 1,2-dimethylene-3-bora-cyclopropane molecule, J. Phys. Chem. A, 107, 5149-5156  (2003).   (PDF)

93.   R.J. Morton, R.I. Kaiser, Kinetics of suprathermal hydrogen atom reactions with saturated hydrides in planetary and satellite atmospheres, Planet. Space Sci.s, 51, 365-373  (2003).   (PDF)

92.   T. L. Nguyen, A. M. Mebel, R. I. Kaiser, Potential Energy Surface and Product Branching Ratios for the Reaction of C(³P_j) with the Allyl Radical: An Ab Initio/RRKM Study, J. Phys. Chem. A, 107, 2990-2999 (2003).   (PDF)

91.   M. Yamada, Y. Osamura, R.I. Kaiser, A comprehensive investigation on the formation of organo-sulfur molecules in dark clouds via neutral-neutral reactions, Astron. Astrophys. 395, 1031-1044  (2002).   (PDF)

90.   F. Stahl, P.v.R. Schleyer, H.F. Schaefer III, R.I. Kaiser, Reactions of ethynyl radicals as a source of C₄ and C₅ hydrocarbons in Titan's atmosphere, Planet. Space Sci. 50, 685-692  (2002).   (PDF)

89.   A.M. Mebel, R.I. Kaiser, An ab initio Study on the Formation of Interstellar Tricarbon Isomers 1-C₃(X¹ Σ_g⁺) and c-C₃(X³A'₂), Chem. Phys. Lett., 360, 139-143  (2002).   (PDF)

88.   R.I. Kaiser, F. Stahl, P.v.R. Schleyer, H.F. Schaefer III, Atomic and molecular hydrogen elimination in the crossed beam reaction of d1-ethinyl radicals C₂D(X²Σ⁺) with acetylene,C₂H₂(X¹ Σ_g⁺): Dynamics of d1-diacetylene (HCCCCD) and d1-butadiynyl (DCCCC) formation, Phys. Chem. Chem. Phys., 4, 2950-2958  (2002).   (PDF)

87.   R.I. Kaiser, A.M. Mebel, The reactivity of ground-state carbon atoms with unsaturated hydrocarbons in combustion flames and in the interstellar medium, Int. Rev. in Physical Chemistry, 21, 307-356  (2002).   (PDF)

86.   R.I. Kaiser, H.F. Bettinger, Gas-Phase Detection of the elusive Benzoborirene Molecule, Angew. Chem., Int. Ed., 41, 2350-2352  (2002).   (PDF)

85.   R.I. Kaiser, M. Yamada, Y. Osamura, A crossed beam and ab initio investigation of the reaction of hydrogen sulfide, H₂S(X¹A₁), with dicarbon molecules, C₂(X¹ Σ_g⁺), J. Phys. Chem. A, 106, 4825-4832  (2002).   (PDF)

84.   R.I. Kaiser, Experimental Investigation on the Formation of Carbon-Bearing Molecules in the Interstellar Medium via Neutral-Neutral Reactions, Chem. Rev., 102, 1309-1358  (2002).   (PDF)

83.   N. Balucani, O. Asvany, R.I. Kaiser, Y. Osamura, Formation of three C₄H₃N isomers from the reaction of CN(X²Σ⁺) with allene, H₂CCCH₂ (X¹A₁), and methylacetylene, CH₃CCH (X¹A₁): A combined crossed beam and ab initio study, J. Phys. Chem. A 106, 4301-4311  (2002).   (PDF)

82.   L. Vereecken, J. Peeters, H.F. Bettinger, R.I. Kaiser, P.v.R. Schleyer, H.F. Schaefer III, Reaction of phenyl radicals with propyne, J. Am. Chem. Soc. 124, 2781-2789  (2002).   (PDF)

81.   R.I. Kaiser, N. Balucani, Astrobiology - The final frontier in chemical reaction dynamics, Int. J. Astrobiology 1, 15-23  (2002).   (PDF)

80.   I. Hahndorf, Y.T. Lee, R.I. Kaiser, L. Vereecken, J. Peeters, H.F. Bettinger, P.R. Schreiner, P.v.R. Schleyer, W.D. Allen, H.F. Schaefer III, A combined crossed-beam, ab initio, and Rice-Ramsperger-Kassel-Marcus investigation of the reaction of carbon atoms C(³P_j) with benzene, C₆H₆(X¹A_1g) and d₆-benzene, C₆D₆(X¹A_1g), J. Chem. Phys. 116, 3248-3262  (2002).   (PDF)

79.   R.I. Kaiser, T.L. Nguyen, A.M. Mebel, Y.T. Lee, Stripping dynamics in the reactions of electronically excited carbon atoms, C(¹D), with ethylene and propylene - production of propargyl and methylpropargyl radicals, J. Chem. Phys. 116, 1318-1324  (2002).   (PDF)

78.   A.M. Mebel, R.I. Kaiser, The formation of interstellar C₂N isomers in circumstellar envelopes of carbon stars: an ab initio study, Astrophys. J. 564, 787-791  (2002).   (PDF)

77.   R.I. Kaiser, Y.T. Lee, Laboratory chemical dynamics in hydrocarbon rich atmospheres of outer planets, Highlights of Astronomy, Astronomical Society of the Pacific, 12, 88-91  (2002).

76.   T.L. Nguyen, A.M. Mebel, S.H. Lin, R.I. Kaiser, Product branching ratios of the C(³P) + C₂H₃(²A')and CH(²Π) + C₂H₂ (¹Σ_g⁺) reactions and photodissociation of H₂CC=CH(²B₁) at 193 and 242 nm: An ab initio/RRKM study, J. Phys. Chem. A, 43, 9813-9818  (2001).   (PDF)

75.   R.I. Kaiser, Molecular Symmetry and Group Theory, Phys. Science Educ. Reviews 3, 25  (2001).   (PDF)

74.   R.I. Kaiser, T.L. Nguyen, T.N. Le, A.M. Mebel, An ab initio investigation of reactions of carbon atoms, C(³P_j), with C₂H₄ and C₃H₆ in the interstellar medium, Astrophys. J. 561, 858-863  (2001).   (PDF)

73.   R.I. Kaiser et al. General Discussion, Faraday Discussions 119, 353-370  (2001).   (PDF)

72.   R.I. Kaiser et al. General Discussion, Faraday Discussions 119, 255-274  (2001).   (PDF)

71.   R.I. Kaiser et al. General Discussion, Faraday Discussions 119, 121-143  (2001).   (PDF)

70.   R.I. Kaiser, T.L. Lee, T.L. Nguyen, A.M. Mebel, N. Balucani, Y.T. Lee, F. Stahl, P.v.R. Schleyer, H.F. Schaefer III, A combined crossed molecular beam and ab initio investigation of C₂ and C₃ elementary reactions with unsaturated hydrocarbons - pathways to hydrogen deficient hydrocarbon radicals in combustion flames, Faraday Discussion 119, 51-66  (2001).   (PDF)

69.   N. Balucani, A. M. Mebel, Y.T. Lee, R.I. Kaiser, A Combined Crossed Molecular Beam and Ab Initio Study of the Reactions C₂(X¹Σ_g⁺,a³Π_u) + C₂H₄ -> n-C₄H₃(X²A') + H(²S_1/2), J. Phys. Chem. A, 43, 9813-9818  (2001).   (PDF)

68.   R.I. Kaiser, The role of cyano (CN) and Ethynyl (C₂H) Radicals in astrobiology and implications to the origin of life on Earth, ESA -Special Publication 'Exo- and Astrobiology', 496, 145-153  (2001).   (PDF)

67.   R.I. Kaiser, N. Balucani, The Formation of Nitriles in Hydrocarbon-Rich Atmospheres of Planets and Their satellites: Laboratory Investigations by the Crossed Molecular Beam Technique, Acc. Chem. Res., 34, 699-706  (2001).   (PDF)

66.   R.I. Kaiser, A.M. Mebel, Y.T. Lee, A.H.H. Chang, Unimolecular decomposition of chemically activated triplet C₄HD₃ complexes: a combined crossed-beam and ab initio study, J. Chem. Phys., 115, 5117-5125 (2001).   (PDF)

65.   N. Balucani, H.Y. Lee, A.M. Mebel, Y.T. Lee, R.I. Kaiser, A combined crossed beam and ab initio investigation on the reaction of carbon species with C₄H₆ isomers. III. 1,2-butadiene, H₂CCCH(CH₃) (X¹A') - a non-Rice-Ramsperger-Kassel-Marcus system?, J. Chem. Phys., 115, 5107-5116  (2001).   (PDF)

64.   T.N. Le, A.M. Mebel, R.I. Kaiser, Ab Initio Study of the C₄H₃ Potential Energy Surface and reaction of ground-state carbon atom with propargyl radical, J. Comp. Chem. (special issue in honor of Prof. Schleyers 70^th birthday), 22, 1522-1535  (2001).   (PDF)

63.   N. Balucani, O. Asvany, Y.T. Lee, R.I. Kaiser, N. Galland, M.T. Rayez, Y. Hannachi, Gas-phase detection of the HBCC(X¹Σ) molecule: A combined crossed beam and computational study of the B(²P) + C₂H₂(¹Σ_g⁺) reaction, J. Comp. Chem. (special issue in honor of Prof. Schleyers 70^th birthday), 22, 1359-1365  (2001).   (PDF)

62.   C.C. Chiong, O. Asvany, N. Balucani, Y.T. Lee, R.I. Kaiser, Nucleation of hydrogen deficient carbon clusters in circumstellar envelops of carbon stars, World Scientific Press, Proceedings of the 8^th Asia-Pacific Physics Conference, APPC 2000, 167-169  (2001).

61.   T.L. Nguyen, A.M. Mebel, R.I. Kaiser, A theoretical investigation of the triplet carbon atom C(³P) + vinyl radical C₂H₃(²A') reaction and thermochemistry of C₃H_n (n=1-4) species, J. Phys. Chem. A 105, 3284-3299  (2001).   (PDF)

60.   T.N. Lee, H.Y. Lee, A.M. Mebel, R.I. Kaiser, Ab initio MO study of the triplet C₃H₄ potential energy surface and the reaction of C(³P_j) with ethylene, C₂H₄, J. Phys. Chem. A. 105, 1847-1856  (2001).   (PDF)

59.   F. Stahl, P.v.R. Schleyer, H.F. Bettinger, R.I. Kaiser, Y.T. Lee, H.F. Schaefer III, Reaction of the ethynyl radical, C₂H, with methylacetylene, CH₃CCH, under single collision conditions: implications for astrochemistry, J. Chem. Phys. 114, 3476-3487  (2001).   (PDF)

58.   R.I. Kaiser, C.C. Chiong, O. Asvany, Y.T. Lee, F. Stahl, P.v.R. Schleyer, H.F. Schaefer III, Chemical dynamics of d1-methyldiacetylene (CH₃CCCCD; X¹A₁) and d1-ethynylallene (H₂CCCH(C₂D); X¹A') formation from reaction of C₂D(X²Σ⁺) with methylacetylene CH₃CCH(X¹A₁), J. Chem. Phys. 114, 3488-3496  (2001).   (PDF)

57.   R.I. Kaiser, H.Y. Lee, A.M. Mebel, Y. T. Lee, The formation of C₅H₅ isomers as potential key intermediates to polycyclic aromatic hydrocarbon-like molecules, Astrophys. J. 548, 852-860  (2001).   (PDF)

56.   R.I. Kaiser, A. Mebel, Y.T. Lee, Chemical dynamics of cyclopropynylidyne (c-C₃H; X²B₂) formation from the reaction of C(¹D) with acetylene, C₂H₂(X¹Σ_g⁺), J. Chem. Phys. 114, 231-239  (2001).   (PDF)

55.   N. Balucani, O. Asvany, L.C.L. Huang, Y. T. Lee, R.I. Kaiser, Y. Osamura, H.F. Bettinger, Formation of Nitriles in the Interstellar Medium via reactions of cyano radicals, CN(X²Σ⁺), with unsaturated hydrocarbons, Astrophys. J. 545, 892-906  (2000).   (PDF)

54.   N. Balucani, O. Asvany, Y. T. Lee, R. I. Kaiser, N. Galland, Y. Hannachi, Observation of borirene from crossed beam reaction of boron atoms with ethylene, J. Am. Chem. Soc. 122 11234-11235  (2000).   (PDF)

53.   L.C.L. Huang, O. Asvany, A.H.H. Chang, N. Balucani, S.H. Lin, Y.T. Lee, R.I. Kaiser, Y. Osamura, Crossed beam reaction of cyano radicals with hydrocarbon molecules. IV. Chemical dynamics of cyanoacetylene (HCCCN; X¹Σ⁺) formation from reaction of CN(X²Σ⁺) with acetylene, C₂H₂(X¹Σ_g⁺), J. Chem. Phys. 113, 8656-8666  (2000).   (PDF)

52.   N. Balucani, O. Asvany, A.H.H. Chang, S.H. Lin, Y.T. Lee, R.I. Kaiser, Y. Osamura, Crossed beam reaction of cyano radicals with hydrocarbon molecules. III. Chemical dynamics of vinylcyanide (C₂H₃CN;X¹A') formation from reaction of CN(X²Σ⁺) with ethylene, C₂H₄(X¹A_g), J. Chem. Phys 113, 8643-8655  (2000).   (PDF)

51.   L.C.L. Huang, H.Y. Lee, A.M. Mebel, S.H. Lin, Y.T. Lee, R.I. Kaiser, A combined crossed beam and ab initio investigation on the reaction of carbon species with C₄H₆ isomers. II. The dimethylacetylene molecule, H₃CCCCH₃ (X¹A_1g), J. Chem. Phys. 113, 9637-9648  (2000).   (PDF)

50.   I. Hahndorf, H.Y. Lee, A.M. Mebel,S.H. Lin, Y.T. Lee, R.I. Kaiser, A combined crossedbeam and ab initio investigation on the reaction of carbonspecies with C₄H₆ isomers. I. the 1 ,3-butadiene molecule, H₂CCHCHCH₂ (X¹A'), J. Chem. Phys. 113, 9622-9636  (2000).   (PDF)

49.   H.F. Bettinger, P.v.R. Schleyer, H.F. Schaefer III, P.R. Schreiner, R.I. Kaiser,Y.T. Lee, The reaction of benzene with a ground state carbon atom, C(³P_j), J. Chem. Phys. 113, 4250-4263  (2000).   (PDF)

48.   R.I. Kaiser, N. Balucani, O. Asvany, Y.T. Lee, Astrochemistry: From molecular clouds to Planetary systems, Y.C.Minh, E.F. van Dishoeck (eds.), Crossed molecular beam experiments of radical-neutral reactions relevant to the formation of hydrogen deficient molecules in extraterrestrial environments, IAU Series 197, 251-264  (2000).

47.   N. Balucani, O. Asvany, Y. Osamura, L.C.L. Huang, Y.T. Lee, R.I. Kaiser, Laboratory investigation on the formation of unsaturated nitriles in Titan's atmosphere, Planet. Space Sci. 48, 447-462  (2000).   (PDF)

46.   R.I. Kaiser, O. Asvany, Y.T. Lee, Crossed beam investigation of elementary reactions relevant to the formation of polycyclic aromatic hydrocarbon (PAH)-like molecules in extraterrestrial environments, Planet. Space Sci. 48,483-492 (2000).   (PDF)

45.   R.I. Kaiser, O. Asvany, Y.T. Lee, H.F. Bettinger, P.v.R. Schleyer, H.F. Schaefer III, Crossed beam reaction of phenyl radicals with unsaturated hydrocarbon molecules. I. Chemical dynamics of phenylmethylacetylene (C₆H₅CCCH₃; X¹A') formation from reaction of C₆H₅(X²A₁) with methylacetylene, CH₃CCH(X¹A_1,), J. Chem. Phys 112, 4994-5001  (2000).   (PDF)

44.   A.M. Mebel, R.I. Kaiser, Y.T. Lee, Ab initio MO study of the global potential energy surface of C₄H₄ in triplet electronic state and the reactions of C(³P_j) with C₃H₄ (allene and propyne) and C₂(A³П_u) with C₂H₄(X¹A_1g⁺), J. Am. Chem. Soc. 122, 1776-1788  (2000).   (PDF)

43.   R.I. Kaiser, Book review on 'Laboratory Astrophysics and Space Research', edited by P. Ehrenfreud, C. Krafft, H. Kochan, V. Pironello, Planet. Space Sci., 48, 113-114  (2000).   (PDF)

42.   R.I. Kaiser, J.W. Ting, L.C.L. Huang, N. Balucani, O. Asvany, Y.T. Lee, H. Chan, D. Stranges, D. Gee, A versatile source to produce high-intensity, pulsed supersonic radical beam for crossed-beams experiments: the cyanogen radical CN(X²Σ⁺) as a case study, Rev. Sci. Instrum. 70, 4185-4191  (1999).   (PDF)

41.   N. Balucani, O. Asvany, A.H.H. Chang, S.H. Lin, Y.T. Lee, R.I. Kaiser, H.F. Bettinger, P.v.R. Schleyer, H.F. Schaefer III, Crossed beam reaction of cyano radicals with hydrocarbon molecules. II. Chemical dynamics of 1-cyano-1-methylallene (CNCH₃CCCH₂; X¹A') formation from reaction of CN(X²Σ⁺) with dimethylacetylene, CH₃CCCH₃ (X¹A₁'), J. Chem. Phys. 111, 7472-7479  (1999).   (PDF)

40.   N. Balucani, O. Asvany, A.H.H. Chang, S.H. Lin, Y.T. Lee, R.I. Kaiser, H.F. Bettinger, P.v.R. Schleyer, H.F. Schaefer III, Crossed beam reaction of cyano radicals with hydrocarbon molecules. I. Chemical dynamics of cyanobenzene (C₆H₅CN; X¹A₁) and perdeutero cyanobenzene (C₆D₅CN; X¹A₁) formation from reaction of CN(X²Σ⁺) with benzene, C₆H₆(X¹A_1g), and d₆-benzene, C₆D₆(X¹A_1g), J. Chem. Phys. 111, 7457-7471  (1999).   (PDF)

39.   L.C.L. Huang, N. Balucani, Y.T. Lee, R.I. Kaiser, Y. Osamura, Crossed beam reaction of the cyano radical, CN(X²Σ⁺), with methylacetylene, CH₃CCH (X¹A₁): Observation of cyanopropyne, CH₃CCCN (X¹A₁), and cyanoallene, H₂CCCHCN (X¹A'), J. Chem. Phys. 111, 2857-2860  (1999).   (PDF)

38.   R.I. Kaiser, G. Eich, A. Gabrysch, K. Roessler, The hydrogen peroxyde radical, HO₂ - a potential tracer of interstellar molecular oxygen, Astron. Astrophys. 346, 340-344  (1999).   (PDF)

37.   R.I. Kaiser, A.M. Mebel, A.H.H. Chang, S.H. Lin, Y.T. Lee, Crossed-beam reaction of carbon atoms with hydrocarbon molecules. V. Chemical dynamics of n-C₄H₃ formation from reaction of C(³P_j) with allene, H₂CCCH₂ (X¹A₁), J. Chem. Phys. 110, 10330 - 10344  (1999).   (PDF)

36.   C. Ochsenfeld, R.I. Kaiser, Y.T. Lee, M. Head-Gordon, Coupled-Cluster ab initio investigation of singlet/triplet CH₂S isomers and the reaction of atomic carbon with hydrogen sulfide to HCS/HSC, J. Chem. Phys 110, 9982-9988  (1999).   (PDF)

35.   L.C.L. Huang, Y.T. Lee, R.I. Kaiser, Crossed beam reaction of the cyanogen radical,  CN(X²Σ⁺),   with acetylene, C₂H₂(X¹Σ_g⁺): Observation of cyanoacetylene, HCCCN(X¹Σ⁺), J. Chem. Phys. 110, 7119-7122  (1999).   (PDF)

34.   R.I. Kaiser, I. Hahndorf, L.C.L. Huang, Y.T. Lee, H.F. Bettinger, P.v.R. Schleyer, H.F. Schaefer III, P.R. Schreiner, Crossed beams reaction of atomic carbon, C(³P_j), with d₆-benzene, C₆D₆(X¹A_1g): Observation of the per-deutero-1,2-didehydro-cycloheptatrienyl radical, C₇D₅(X²B₂), J. Chem. Phys. 110, 6091-6094  (1999).   (PDF)

33.   R.I. Kaiser, C. Ochsenfeld, M. Head-Gordon, Y.T. Lee, Crossed-beam reaction of carbon atoms with sulfur containing molecules. I. Chemical dynamics of thioformyl (HCS X²A') formation from reaction of C(³P_j) with hydrogen sulfide, H₂S(X¹A₁), J. Chem. Phys.110, 2391-2403  (1999).   (PDF)

32.   R.I. Kaiser, C. Ochsenfeld, M. Head-Gordon, Y.T. Lee, Neutral-Neutral reactions in the interstellar medium. II. isotope effects in the formation of linear and cyclic C₃H and C₃D radicals in interstellar environments, Astrophys. J. 510 784-788  (1999).   (PDF)

31.   R.I. Kaiser et al., General Discussion, Faraday Discussion 109, 493-516  (1998).   (PDF)

30.   R.I. Kaiser et al., General Discussion, Faraday Discussion 109, 217-256  (1998).   (PDF)

29.   R.I. Kaiser et al., General Discussion, Faraday Discussion 109, 83-108  (1998).   (PDF)

28.   R.I. Kaiser, C. Ochsenfeld, D. Stranges, M. Head-Gordon, Y.T. Lee, Combined Crossed Molecular Beams and ab initio Investigation of the Formation of Carbon-bearing Molecules in the interstellar medium via neutral-neutral reactions, Farad. Discussion 109, 183-204  (1998).   (PDF)

27.   R.I. Kaiser, K. Roessler, Theoretical and laboratory studies on the interaction of cosmic-ray particles with interstellar ices. III. Suprathermal chemistry-induced formation of hydrocarbon molecules in solid methane (CH₄), ethylene (C₂H₄), and acetylene (C₂H₂), Astrophys. J. 503, 959-975  (1998).   (PDF)

26.   H. Habara, S. Yamamoto, C. Ochsenfeld, M. Head-Gordon, R.I. Kaiser, Y.T. Lee, Fourier transform millimeter-wave spectroscopy of the HCS radical in the ²A' ground electronic state, J. Chem. Phys. 108, 8859-8863  (1998).   (PDF)

25.   C. Lecluse, F. Robert, R.I. Kaiser, K. Roessler, C.T. Pillinger, M. Javoy, Carbon isotopes of irradiated methane ices: implications for cometary ¹²C/¹³C ratio, Astronomy and Astrophysics 330, 1175-1179  (1998).   (PDF)

24.   R.I. Kaiser, C. Ochsenfeld, M. Head-Gordon, Y.T. Lee, The formation of HCS and HCSH Molecules and Their Role in the Collision of Comet Shoemaker-Levy 9 with Jupiter, Science 279, 1181-1184  (1998).   (PDF)

23.   R.I. Kaiser, W. Sun, A.G. Suits, Y.T. Lee, Crossed beam reaction of atomic carbon, C(³P_j), with the propargyl radical, C₃H₃(X²B₂): Observation of diacetylene, C₄H₂(X¹Σ_g⁺), J. Chem. Phys. 107, 8713-8716  (1997).   (PDF)

22.   R.I. Kaiser, G. Eich, A. Gabrysch, K. Roessler, Theoretical and laboratory studies on the interaction of cosmic-ray particles with interstellar ices. II. Formation of atomic and molecular hydrogen in frozen organic molecules , Astrophys. J. 484, 487-498  (1997).   (PDF)

21.   R.I. Kaiser, W. Sun, A. G. Suits, Crossed beam reaction of atomic carbon C(³P_j) with hydrogen sulfide, H₂S (X¹A₁): observation of the thioformyl radical, HCS(X²A'), J. Chem. Phys. 106, 5288-5291  (1997).   (PDF)

20.   R.I. Kaiser, D. Stranges, H.M. Bevsek, Y.T. Lee, A.G. Suits, Crossed-beam reaction of carbon atoms with hydrocarbon molecules. IV. Chemical dynamics of methylpropargyl radical formation, C₄H₅, from reaction of C(³P_j) with propylene, C₃H₆ (X¹A'), J. Chem. Phys. 106, 4945-4953  (1997).   (PDF)

19.   R.I. Kaiser, Y.T. Lee, A.G. Suits, M. Head-Gordon, A Coupled-Cluster ab initio study of triplet C₃H₂ and the neutral-neutral reaction to interstellar C₃H, J. Chem. Phys. 106, 4141-4151  (1997).   (PDF)

18.   R.I. Kaiser, D. Stranges, Y.T. Lee, A.G. Suits, Neutral-Neutral reactions in the interstellar medium. I. formation of carbon hydride radicals via reaction of carbon atoms with unsaturated hydrocarbons, Astrophys. J. 477, 982-989  (1997).   (PDF)

17.   R.I. Kaiser, C. Ochsenfeld, M. Head-Gordon, Y.T. Lee, A.G. Suits, Crossed-beam reaction of carbon atoms with hydrocarbon molecules. III: Chemical dynamics of propynylidyne (l-C₃H; X²) and cyclopropynylidyne (c-C₃H; X²B₂) formation from reaction of C(³P_j) with acetylene, C₂H₂(X¹Σ_g⁺), J. Chem. Phys. 106, 1729-1741  (1997).   (PDF)

16.   R.I. Kaiser, K. Roessler, Theoretical and laboratory studies on the interaction of cosmic-ray particles with interstellar ices. I. Synthesis of polycyclic aromatic hydrocarbons by a cosmic-ray-induced multicenter mechanism, Astrophys. J. 475, 144-154  (1997).   (PDF)

15.   R.I. Kaiser, C. Ochsenfeld, M. Head-Gordon, Y.T. Lee, A.G. Suits, A combined experimental and theoretical study on the formation of interstellar C₃H isomers, Science 274, 1508-1511  (1996).   (PDF)

14.   R.I. Kaiser, D. Stranges, Y.T. Lee, A.G. Suits, Crossed-beam reaction of carbon atoms with hydrocarbon molecules. II. Chemical dynamics of n-C₄H₃ formation from reaction of C(³P_j) with methylacetylene, CH₃CCH (X¹A₁), J. Chem. Phys. 105, 8721-8733  (1996).   (PDF)

13.   R.I. Kaiser, Y.T. Lee, A.G. Suits, Crossed-beam reaction of carbon atoms with hydrocarbon molecules. I. Chemical dynamics of the propargyl radical formation, C₃H₃ (X²B₂), from reaction of C(³P_j) with ethylene, C₂H₄ (X¹A_g), J.Chem. Phys. 105, 8705-8720  (1996).   (PDF)

12.   R.I. Kaiser, Y.T. Lee, A.G. Suits, Crossed Beam Reaction of C(³P_j) with C₂H₂(¹Σ_g⁺): Observation of Tricarbon-Hydride C₃H, J. Chem. Phys. 103,10395-10398  (1995).   (PDF)

11.   R.I. Kaiser, A.G. Suits, A High-Intensity, Pulsed Supersonic Carbon Source with C(3Pj) Kinetic Energies of 0.08 - 0.7 eV for Crossed Beam Experiments, Rev. Sci. Instrum. 66, 5405-5411  (1995).   (PDF)

10.   R.I. Kaiser, P. Jansen, K. Petersen, K. Roessler, On line and in situ quantification of gas mixtures by matrix interval algebra assisted quadrupole mass spectrometry, Rev. Sci. Instrum. 66, 5226-5231  (1995).   (PDF)

9.   R.I. Kaiser, A. Gabrysch, K. Roessler, Cosmic ray simulator: A versatile apparatus for quantitative studies on the interaction of cosmic rays with frozen solids by on line and in situ quadrupole mass spectrometry and Fourier transform infrared spectroscopy, Rev. Sci. Instrum. 66, 3058-3066  (1995).   (PDF)

8.   R.I. Kaiser, MeV-Ionen induzierte chemische Reaktionen in festem Methan, Ethen und Ethin. Theoretische und experimentelle Studien zur Wechselwirkung kosmischer Strahlung mit extraterrestrischen Eiskoerpern, Report-Juel-2856, 143 pp. (1993).

7.   K. Roessler, R.I. Kaiser, E. Langenscheidt, Strahlenchemie von Koerpern des Sonnensystems in Laborsimulationen, in Proceedings 8. Kometenwerkstatt, K. Roessler, K. Thiel eds., Forschungszentrum Juelich GmbH, Juelich  (1993), 127-137.

6.   R.I. Kaiser, K. Roessler, Modification of primordial ices by cosmic rays as simulated by cyclotron irradiation in: Asteroids, Comets, Meteors, A.W. Harris, E. Bowell eds., LPI, Houston, 293-295  (1993).

5.   R.I. Kaiser, K. Roessler, Cosmic ray modification of organic cometary matter as simulated by cyclotron irradiation, Ann. Geophys. 10, 222-225  (1992).

4.   R.M. Mahfouz, M. Sauer, S.T. Atwa, R.I. Kaiser, K. Roessler, Interaction of MeV ions and VUV photons with polymers and high molecular hydrocarbons, Nucl. Instr. Meth. B 65, 447-451  (1992).   (PDF)

3.   R.I. Kaiser, J. Lauterwein, P. Mueller, K. Roessler, Energy density effects in the formation of organic residues in frozen methane by MeV ions, Nucl. Instr. Meth. B 65, 463-467  (1992).   (PDF)

2.   R.I. Kaiser, R.M. Mahfouz, K. Roessler, Emission of organic products from the surface of frozen methane under MeV ion irradiation, Nucl. Instr. Meth. B 65, 468-471  (1992).   (PDF)

1.    R.I. Kaiser, Chemische Prozesse durch Zyklotronionen in festem Methan - Simulation der Wechselwirkung kosmischer Strahlung mit einfachen extraterrestrischen Eiskoerpern, Report-Juel-2492, 130pp  (1991).