Reactive modes in condensed phase reactions

  • Richard F. Grote
    Department of Chemistry, University of Colorado, Boulder, Colorado 80309
  • James T. Hynes
    Department of Chemistry, University of Colorado, Boulder, Colorado 80309

抄録

<jats:p>The rate constant k for condensed phase chemical reactions is found when a saddle point normal mode analysis holds and when the dynamic solvent forces are of the generalized Langevin type. If the reactive and nonreactive modes are uncoupled, the deviation of k from its transition state value ktst is governed by the nonadiabatic friction on the reactive mode. In the more typical case where the modes are coupled k/ktst is governed by an effective nonadiabatic reactive mode friction which completely accounts for intramode coupling. Some simple illustrations of mode coupling effects on k are given.</jats:p>

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