Dynamical theory of electron transfer: Inclusion of inner-shell reorganization

K. V. Mikkelsen*, Mark A. Ratner

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


The dynamical formulation of electron transfer rate theory, including inner sphere and outer sphere reorganization terms, electronic structure polarization, and an ab initio treatment of the electrons on donor, acceptor, and bridge molecules, is presented and applied to electron transfer betwen benzene/anion radical and pyridine. The formulation involves the use of mean field (Ehrenfest) relations to obtain the time evolution of electron and vibration operators. This formulation yields an effective density matrix for the time evolution of the electronic system; the elements of this density matrix depend on averages over electronic and vibrational motions. For the electron transfer system actually studied, the rates are strongly dependent upon relative geometry of donor and acceptor, and maximize sharply at geometries such that electronic levels on donor and acceptor become degenerate - the so-called "coincidence event" geometry.

Original languageEnglish (US)
Pages (from-to)4237-4247
Number of pages11
JournalThe Journal of Chemical Physics
Issue number8
StatePublished - Jan 1 1989

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry


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