Dielectric friction and the transition from adiabatic to nonadiabatic electron transfer in condensed phases. II. Application to non-Debye solvents

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Abstract
Outer sphere electron transfer rates in polar media are analyzed for non-Debye solvents whose dielectric function contains a few relaxation times (e.g., linear alcohols) or has a continuous distribution of relaxation times (e.g., the Cole–Davidson form for glycerol). The activation free energy and the preexponential factor are calculated and related to the solvent polarity and dielectric relaxation. The conditions for observing a fractional power dependence of the rate on the solvent time scale are analyzed.