TIME RESOLVED STUDIES OR REACTION DYNAMICS IN SOLUTION
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Date
1985
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Publisher
Ohio State University
Abstract
Photochemical isomerization provides an accessible model system with which to test theories of activated barrier crossing in solution. These theories lie at the heart of descriptions of chemical reaction dynamics in solution. Picosecond time resolved studies of stilbene in alkane solution, in the dense gas and in the isolated jet-cooled molecule reveal many of the qualitative features predicted by theory. Quantitative description of the isomerization dynamics will require an understanding of the influence of the vibrational modes (other than the reaction coordinate) on the frictional forces felt by the isomering molecule, and on the vibrational energy flows within the molecule. The comparison of isolated and solvated molecules reveals the importance of intramolecular vibrational redistribution on the isomerization dynamics.
Description
Author Institution: Department of Chemistry and The James Franck Institute, The University of Chicago