Photodissociation of aligned CH3I and C6H3F2I molecules probed with time-resolved Coulomb explosion imaging by site-selective extreme ultraviolet ionization

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dc.contributor.author Amini, Kasra
dc.contributor.author Savelyev, Evgeny
dc.contributor.author Brauße, Felix
dc.contributor.author Berrah, Nora
dc.contributor.author Bomme, Cédric
dc.contributor.author Brouard, Mark
dc.contributor.author Burt, Michael
dc.contributor.author Christensen, Lauge
dc.contributor.author Düsterer, Stefan
dc.contributor.author Erk, Benjamin
dc.contributor.author Höppner, Hauke
dc.contributor.author Kierspel, Thomas
dc.contributor.author Krecinic, Faruk
dc.contributor.author Lauer, Alexandra
dc.contributor.author Lee, Jason W. L.
dc.contributor.author Müller, Maria
dc.contributor.author Müller, Erland
dc.contributor.author Mullins, Terence
dc.contributor.author Redlin, Harald
dc.contributor.author Schirmel, Nora
dc.contributor.author Thøgersen, Jan
dc.contributor.author Techert, Simone
dc.contributor.author Toleikis, Sven
dc.contributor.author Treusch, Rolf
dc.contributor.author Trippel, Sebastian
dc.contributor.author Ulmer, Anatoli
dc.contributor.author Vallance, Claire
dc.contributor.author Wiese, Joss
dc.contributor.author Johnsson, Per
dc.contributor.author Küpper, Jochen
dc.contributor.author Rudenko, Artem
dc.contributor.author Rouzée, Arnaud
dc.contributor.author Stapelfeldt, Henrik
dc.contributor.author Rolles, Daniel
dc.contributor.author Boll, Rebecca
dc.date.accessioned 2019-04-17T14:12:56Z
dc.date.available 2019-04-17T14:12:56Z
dc.date.issued 2018-01-01
dc.identifier.uri http://hdl.handle.net/2097/39538
dc.description Citation: Amini, K., Savelyev, E., Brauße, F., Berrah, N., Bomme, C., Brouard, M., … Boll, R. (2018). Photodissociation of aligned CH 3 I and C 6 H 3 F 2 I molecules probed with time-resolved Coulomb explosion imaging by site-selective extreme ultraviolet ionization. Structural Dynamics, 5(1), 014301. https://doi.org/10.1063/1.4998648
dc.description.abstract We explore time-resolved Coulomb explosion induced by intense, extreme ultraviolet (XUV) femtosecond pulses from a free-electron laser as a method to image photo-induced molecular dynamics in two molecules, iodomethane and 2,6-difluoroiodobenzene. At an excitation wavelength of 267 nm, the dominant reaction pathway in both molecules is neutral dissociation via cleavage of the carbon–iodine bond. This allows investigating the influence of the molecular environment on the absorption of an intense, femtosecond XUV pulse and the subsequent Coulomb explosion process. We find that the XUV probe pulse induces local inner-shell ionization of atomic iodine in dissociating iodomethane, in contrast to non-selective ionization of all photofragments in difluoroiodobenzene. The results reveal evidence of electron transfer from methyl and phenyl moieties to a multiply charged iodine ion. In addition, indications for ultrafast charge rearrangement on the phenyl radical are found, suggesting that time-resolved Coulomb explosion imaging is sensitive to the localization of charge in extended molecules.
dc.language.iso en_US
dc.relation.uri https://doi.org/10.1063/1.4998648
dc.rights http://creativecommons.org/licenses/by/4.0/
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.subject Free electron lasers
dc.subject Photodissociation
dc.subject Photoionization
dc.subject X-rays
dc.title Photodissociation of aligned CH3I and C6H3F2I molecules probed with time-resolved Coulomb explosion imaging by site-selective extreme ultraviolet ionization
dc.type Text
dc.date.published 2018
dc.citation.doi 10.1063/1.4998648
dc.citation.issn 2329-7778
dc.citation.issue 1
dc.citation.jtitle Structural Dynamics
dc.citation.volume 5
dc.citation Amini, K., Savelyev, E., Brauße, F., Berrah, N., Bomme, C., Brouard, M., … Boll, R. (2018). Photodissociation of aligned CH 3 I and C 6 H 3 F 2 I molecules probed with time-resolved Coulomb explosion imaging by site-selective extreme ultraviolet ionization. Structural Dynamics, 5(1), 014301. https://doi.org/10.1063/1.4998648
dc.description.version Article: Version of Record (VoR)


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