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Mode-Specific Intramolecular Vibrational Energy Redistribution: Direct Picosecond Measurements

Felker, Peter M. and Zewail, Ahmed H. (1984) Mode-Specific Intramolecular Vibrational Energy Redistribution: Direct Picosecond Measurements. Journal of Physical Chemistry, 88 (25). pp. 6106-6108. ISSN 0022-3654. doi:10.1021/j150669a011.

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In this Letter, we report on the direct picosecond measurement of mode-dependent, dissipative IVR rates in jet-cooled trans-stilbene. It is found that excitation of different bands in the S_1 + 1250-cm^(-1) energy region of the molecule gives rise to different IVR rates, as determined by the temporal evolution of vibrationally unrelaxed fluorescence. The results are discussed in terms of the spectroscopic assignments for the excitation bands.

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Additional Information:© 1984 American Chemical Society. Received: October 31, 1984. This was supported by the National Science Foundation. We thank Prof. D. D. Smith of Purdue University for helpful suggestions concerning our detection electronics.
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Arthur Amos Noyes Laboratory of Chemical Physics7113
Issue or Number:25
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Official Citation:Mode-specific intramolecular vibrational energy redistribution: direct picosecond measurements Peter M. Felker and Ahmed H. Zewail The Journal of Physical Chemistry 1984 88 (25), 6106-6108 DOI: 10.1021/j150669a011
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:70480
Deposited By: Ruth Sustaita
Deposited On:30 Sep 2016 17:34
Last Modified:11 Nov 2021 04:30

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