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Intramolecular dephasing in pyrazine: deuterium isotope effect and further tests of theory

Felker, Peter M. and Zewail, Ahmed H. (1986) Intramolecular dephasing in pyrazine: deuterium isotope effect and further tests of theory. Chemical Physics Letters, 128 (3). pp. 221-230. ISSN 0009-2614. http://resolver.caltech.edu/CaltechAUTHORS:20160920-093337952

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Abstract

We present picosecond time-resolved results on the fluorescence decay of jet-cooled pyrazine-d_4. The decay is pseudo-double exponential and quantum-beat-modulated. The data for pyrazine-d_4, as well as for pyrazine-h_4, are rationalized using radia tionless transition theory. Finally, the connection of the picosecond dynamics to the frequency domain spectrum of pyrazine eigenstates is made.


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http://dx.doi.org/10.1016/0009-2614(86)80330-XDOIArticle
http://www.sciencedirect.com/science/article/pii/000926148680330XPublisherArticle
Additional Information:© 1986 Elsevier Science Publishers B.V. Received 23 May 1986. This work was supported by a grant from the National Science Foundation (DMR-8521191). One of us (AHZ) would like to acknowledge discussions with Professors J. Jortner and J. Kommandeur, pointing to the need for further picosecond experiments on pyrazine-d_4. We also thank Professor S.A. Rice for discussions concerning the results in ref. [13].
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Funding AgencyGrant Number
NSFDMR-8521191
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Arthur Amos Noyes Laboratory of Chemical Physics7417
Record Number:CaltechAUTHORS:20160920-093337952
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20160920-093337952
Official Citation:Peter M. Felker, Ahmed H. Zewail, Intramolecular dephasing in pyrazine: deuterium isotope effect and further tests of theory, Chemical Physics Letters, Volume 128, Issue 3, 25 July 1986, Pages 221-230, ISSN 0009-2614, http://dx.doi.org/10.1016/0009-2614(86)80330-X. (http://www.sciencedirect.com/science/article/pii/000926148680330X)
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ID Code:70461
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:29 Sep 2016 21:27
Last Modified:29 Sep 2016 21:27

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