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Spectroscopic observation of resonances in the F + H2 reaction

Abstract:
Photodetachment spectroscopy of the FH2‾ and FD2‾ anions allows for the direct observation of reactive resonances of the benchmark reaction F + H2 →HF + H. Using cooled anion precursors and a high-resolution electron spectrometer, we observe several narrow peaks not seen in previous experiments. Theoretical calculations, based on a highly accurate F+H2 potential energy surface, convincingly assign these peaks to resonances associated with quasi-bound states in the HF+H and DF+D product arrangements, and with a quasi-bound state in the transition state region of the F+H2 reaction. The calculations also reveal quasi-bound states in the reactant arrangement, which have yet to be resolved experimentally.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1126/science.aac6939
Publication website:
http://www.sciencemag.org/content/349/6247/510.full

Authors


Contributors

Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry


Publisher:
American Association for the Advancement of Science
Journal:
Science More from this journal
Volume:
349
Issue:
6247
Pages:
510-513
Publication date:
2015-07-31
Acceptance date:
2015-07-09
DOI:
EISSN:
1095-9203
ISSN:
0036-8075


Language:
English
UUID:
uuid:9f585731-2fab-4fd4-9559-5019a18d8ffd
Deposit date:
2015-08-19

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