Semmes, David H. and Baskin, J. Spencer and Zewail, Ahmed H. (1990) Picosecond real-time studies of mode-specific vibrational predissociation. Journal of Chemical Physics, 92 (6). pp. 3359-3376. ISSN 0021-9606. http://resolver.caltech.edu/CaltechAUTHORS:SEMjcp90
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The vibrational predissociation of several van der Waals complexes of t-stilbene has been studied by directly measuring, in real time, the fluorescence intensity from the initial reactant state and from the individual product states formed in the dissociation process after exciting single vibrational levels of the complex. With the aid of a kinetic model involving sequential processes, the individual rates for intramolecular vibrational redistribution and vibrational predissociation in the overall dissociation process are resolved and distinguished in several cases. In the stilbene–He complex, the dissociation is significantly faster from low energy out-of-plane modes than it is from a higher energy in-plane mode.
|Additional Information:||© 1990 American Institute of Physics. Received 13 October 1989; accepted 13 November 1989. This work is supported by the National Science Foundation under Grant No. DMR-8521191. Arthur Amos Noyes Laboratory of Chemical Physics, Contribution No. 8054.|
|Subject Keywords:||PREDISSOCIATION, VIBRATIONAL STATES, MOLECULAR CLUSTERS, STILBENE, FLUORESCENCE, LINE INTENSITY, HELIUM COMPLEXES, PS RANGE, NEON COMPLEXES, ARGON COMPLEXES, VAN DER WAALS BINDING|
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|Deposited On:||22 Sep 2008 16:45|
|Last Modified:||18 Aug 2016 23:43|
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