Internal Energy Transfer in Isolated Molecules: Ergodic and Nonergodic Behavior

  • S. A. Rice
Part of the Springer Series in Chemical Physics book series (CHEMICAL, volume 3)

Abstract

I have been asked to present a broad overview of current understanding of the nature of intramolecular energy transfer in isolated molecules. In the short time available for this talk I can do no more than describe very briefly some attempts to answer the major questions associated with this subject. In my opinion these are:
  1. 1.

    Under what conditions, if any, is intramolecular energy exchange slow/rapid relative to other processes, for example photon emission, or isomerization, or fragmentation?

     
  2. 2.

    How does the intramolecular energy exchange depend on the energy of the molecule and the nature of the initial excitation?

     
  3. 3.

    If there are situations for which intramolecular energy exchange is slow relative to chemical reaction, why does this behavior occur? Does it derive from special characteristics of the molecular force fields? Are there dynamical or symmetry restrictions on the spectrum of states in these cases? Are these special situations commonly or rarely found?

     
  4. 4.

    Given the answers to (3), can we devise excitation methods and reaction conditions that permit enhancement of the selectivity of the chemistry that follows?

     

Keywords

Manifold Soliton Coherence Halflife Naphthalene 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1978

Authors and Affiliations

  • S. A. Rice
    • 1
  1. 1.The Department of Chemistry and The James Franck InstituteThe University of ChicagoChicagoUSA

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