Abstract

The possible effects of exchange processes upon polarized ESR spectra are discussed using the amended Bloch equations. The results are applied to an analysis of the polarized ESR spectrum of the cyclohex-1-olyl radical, observed over a range of temperatures using the time integration spectroscopy technique. The spectrum obtained at 223 K displays an unusual E/A/E/A polarization pattern, the full analysis of which is given. In the light of these results, the fact that the polarized ESR spectra of radical anions usually fail to show any radical pair mechanism polarization is discussed.

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