Mechanisms and time-resolved dynamics for trihydrogen cation (H 3 + ) formation from organic molecules in strong laser fields

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dc.contributor.author Ekanayake, Nagitha
dc.contributor.author Nairat, Muath
dc.contributor.author Kaderiya, Balram
dc.contributor.author Feizollah, Peyman
dc.contributor.author Jochim, Bethany
dc.contributor.author Severt, Travis
dc.contributor.author Berry, Ben
dc.contributor.author Pandiri, Kanaka Raju
dc.contributor.author Carnes, Kevin D.
dc.contributor.author Pathak, Shashank
dc.contributor.author Rolles, Daniel
dc.contributor.author Rudenko, Artem
dc.contributor.author Ben-Itzhak, Itzik
dc.contributor.author Mancuso, Christopher A.
dc.contributor.author Fales, B. Scott
dc.contributor.author Jackson, James E.
dc.contributor.author Levine, Benjamin G.
dc.contributor.author Dantus, Marcos
dc.date.accessioned 2019-04-18T13:51:23Z
dc.date.available 2019-04-18T13:51:23Z
dc.date.issued 2017-07-05
dc.identifier.uri http://hdl.handle.net/2097/39590
dc.description Citation: Ekanayake, N., Nairat, M., Kaderiya, B., Feizollah, P., Jochim, B., Severt, T., … Dantus, M. (2017). Mechanisms and time-resolved dynamics for trihydrogen cation (H 3 + ) formation from organic molecules in strong laser fields. Scientific Reports, 7(1), 4703. https://doi.org/10.1038/s41598-017-04666-w
dc.description.abstract Strong-field laser-matter interactions often lead to exotic chemical reactions. Trihydrogen cation formation from organic molecules is one such case that requires multiple bonds to break and form. We present evidence for the existence of two different reaction pathways for H3 + formation from organic molecules irradiated by a strong-field laser. Assignment of the two pathways was accomplished through analysis of femtosecond time-resolved strong-field ionization and photoion-photoion coincidence measurements carried out on methanol isotopomers, ethylene glycol, and acetone. Ab initio molecular dynamics simulations suggest the formation occurs via two steps: the initial formation of a neutral hydrogen molecule, followed by the abstraction of a proton from the remaining CHOH2+ fragment by the roaming H2 molecule. This reaction has similarities to the H2 + H2 + mechanism leading to formation of H3 + in the universe. These exotic chemical reaction mechanisms, involving roaming H2 molecules, are found to occur in the ~100 fs timescale. Roaming molecule reactions may help to explain unlikely chemical processes, involving dissociation and formation of multiple chemical bonds, occurring under strong laser fields.
dc.language.iso en_US
dc.relation.uri 10.1038/s41598-017-04666-w
dc.rights Creative Commons Attribution 4.0 International License
dc.rights.uri http://creativecommons.org/licenses/by/4.0/.
dc.subject Atomic and molecular interactions with photons
dc.subject Chemical physics
dc.subject Galaxies and clusters
dc.subject Reaction kinetics and dynamics
dc.title Mechanisms and time-resolved dynamics for trihydrogen cation (H 3 + ) formation from organic molecules in strong laser fields
dc.type Text
dc.date.published 2017
dc.citation.doi https://doi.org/10.1038/s41598-017-04666-w
dc.citation.issn 2045-2322
dc.citation.issue 1
dc.citation.jtitle Scientific Reports
dc.citation.spage 4703
dc.citation.volume 7
dc.citation Ekanayake, N., Nairat, M., Kaderiya, B., Feizollah, P., Jochim, B., Severt, T., … Dantus, M. (2017). Mechanisms and time-resolved dynamics for trihydrogen cation (H 3 + ) formation from organic molecules in strong laser fields. Scientific Reports, 7(1), 4703. https://doi.org/10.1038/s41598-017-04666-w
dc.description.version Article: Version of Record (VoR)


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