The decay kinetics of spin adducts formed by nitrosodurene with pentacarbonylrhenium(0) radical

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Abstract

The decay of the anilino and nitroxide radicals that form by the addition of nitrosodurene to pentacarbonylrhenium(0) radical was studied by EPR spectroscopy. The anilino radical decays by first order kinetics with ΔH 20.5 kJ/mole and ΔS − 196 J/ mole K. The nitroxide radical decay kinetics are second order with ΔH 3.92 kJ/mole and ΔS −186 J/mole K. The isomerization of the anilino to the nitroxide form was not observed in the limited temperature range in which the anilino could be detected.

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