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Volume 112. number 4 CHEhlICAL PHYSICS LETTERS 14 December 1984 VIBRATIONAL ENERGY TRANSFER PATHWAYS IN CH,F
 

Summary: Volume 112. number 4 CHEhlICAL PHYSICS LETTERS 14 December 1984
VIBRATIONAL ENERGY TRANSFER PATHWAYS IN CH,F
UNDER WEAK AND STRONG EXCITATION CONDITIONS: A COMPARISON
V.A. APKARIAN, J.M. LINDQUIST
Deparrment of Chemisny, University of California, Irvine, California 92717, USA
and
Eric WEITZ l
Department of Chemistry. Northwestern University. Evanston, Illinois 60201, USA
Received 30 hlay 1984; in final form 26 September 1984
Energy transfer processes in CH3F have been reinvestigated under high excitation conditions with and without added
rare gas via a mathematical model developed as a consequence of studies under low excitation--The model can be used to
describe energy transfer under high escitation conditions with the inclusion of an additional state and energy transfer path-
ways coupling that state to others in tbc model. A conclusion using this model is that population from 3113does not signiti-
cantly fil vl/va or L?(v~/Y~)even in the hi& excitation re8imc. It is also concluded that multiple photon absorption takes
place under high excitation conditions.
1. Introduction
Studies of vibrational energy transfer in CH,F
have been extensive and detailed [l-8]. The domi-
nant pathways for energy transfer under low levels of
excitation have been discerned and the appropriate

  

Source: Apkarian, V. Ara - Department of Chemistry, University of California, Irvine

 

Collections: Chemistry