Journal of Physical Chemistry p. 3467 - 3474 (1980)
Update date:2022-08-30
Topics:
Huggenberger, Christian
Lipscher, Juraj
Fischer, Hanns
Benzoyl radicals (C6H5C.O) are generated in liquid solutions together with tert-butyl radicals by photocleavage of pivalophenone.The rate constant for their termination to benzil is determined by ESR and optical spectroscopy.It is well described by von Smoluchowski's equation employing a spin-statistical factor of 1/4.Energetically, the combination may lead to ground- and excited-state benzil.The latter reaction is ruled out by the kinetic data and the absence of recombination luminescence.Auxiliary data are presented on the photochemistry of pivalophenone and on the photophysics of benzil.
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