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Bimolecular reactions observed by femtosecond detachment to aligned transition states: Inelastic and reactive dynamics

Zhong, Dongping and Cheng, P. Y. and Zewail, Ahmed H. (1996) Bimolecular reactions observed by femtosecond detachment to aligned transition states: Inelastic and reactive dynamics. Journal of Chemical Physics, 105 (17). pp. 7864-7867. ISSN 0021-9606. doi:10.1063/1.472606. https://resolver.caltech.edu/CaltechAUTHORS:20160824-143935780

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Abstract

With fs radical detachment and kinetic energy‐resolved time‐of‐flight (KETOF) mass spectrometry, we are able to study the transition state dynamics of the bimolecular reaction CH_3I+I, inelastic and reactive channels; the collision complex is coherently formed (1.4 ps) and is long lived (1.7 ps). We also report studies of the dynamics of I_2 formation. Direct clocking of the CH_3I dissociation, hitherto unobserved, gives 150 fs for the C–I bond breakage time and 0.8 Å for the repulsion length scale.


Item Type:Article
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URLURL TypeDescription
http://dx.doi.org/10.1063/1.472606DOIArticle
http://scitation.aip.org/content/aip/journal/jcp/105/17/10.1063/1.472606PublisherArticle
Additional Information:© 1996 American Institute of Physics. Received 29 July 1996; accepted 23 August 1996. This research was supported by the NSF and AFOSR.
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Funding AgencyGrant Number
NSFUNSPECIFIED
Air Force Office of Scientific Research (AFOSR)UNSPECIFIED
Issue or Number:17
DOI:10.1063/1.472606
Record Number:CaltechAUTHORS:20160824-143935780
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20160824-143935780
Official Citation:Bimolecular reactions observed by femtosecond detachment to aligned transition states: Inelastic and reactive dynamics Zhong, Dongping and Cheng, P. Y. and Zewail, Ahmed H., The Journal of Chemical Physics, 105, 7864-7867 (1996), DOI:http://dx.doi.org/10.1063/1.472606
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:69904
Collection:CaltechAUTHORS
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Deposited On:26 Aug 2016 17:55
Last Modified:11 Nov 2021 04:21

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