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Published December 6, 1984 | public
Journal Article

Mode-Specific Intramolecular Vibrational Energy Redistribution: Direct Picosecond Measurements

Abstract

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.

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.

Additional details

Created:
August 19, 2023
Modified:
October 20, 2023