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Ultrafast electron diffraction: determination of radical structure with picosecond time resolution

Cao, J. and Ihee, H. and Zewail, A. H. (1998) Ultrafast electron diffraction: determination of radical structure with picosecond time resolution. Chemical Physics Letters, 290 (1-3). pp. 1-8. ISSN 0009-2614. https://resolver.caltech.edu/CaltechAUTHORS:20160930-071851904

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Abstract

Using ultrafast electron diffraction (UED) with the temporal diffraction-difference method recently developed in this laboratory, we report accurate determination of the radical (CF_2) structure in the dissociation of diiododifluoromethane (CF_2I_2) with picosecond time resolution. Time-zero was clocked accurately within 2 ps and both iodine atoms were found to be liberated in less than 4 ps. The structure, absolute fraction, and electronic state of the radical were determined. The CF_2 radical was found to be in X^1A_1 ground state with C–F and F⋯F distances of 1.30(±0.02) Å and 2.06(±0.06) Å, respectively.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/S0009-2614(98)00520-XDOIArticle
http://www.sciencedirect.com/science/article/pii/S000926149800520XPublisherArticle
Additional Information:© 1998 Elsevier B.V. Received 15 April 1998, Revised 24 April 1998, Available online 28 July 1998. This research was supported by a grant from Air force Office of Scientific Research and the Office of Naval Research.
Funders:
Funding AgencyGrant Number
Air Force Office of Scientific Research (AFOSR)UNSPECIFIED
Office of Naval Research (ONR)UNSPECIFIED
Issue or Number:1-3
Record Number:CaltechAUTHORS:20160930-071851904
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20160930-071851904
Official Citation:J. Cao, H. Ihee, A.H. Zewail, Ultrafast electron diffraction: determination of radical structure with picosecond time resolution, Chemical Physics Letters, Volume 290, Issues 1–3, 26 June 1998, Pages 1-8, ISSN 0009-2614, http://dx.doi.org/10.1016/S0009-2614(98)00520-X. (http://www.sciencedirect.com/science/article/pii/S000926149800520X)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:70671
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:30 Sep 2016 17:12
Last Modified:03 Oct 2019 16:00

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