Rate constants for the termination of benzyl radicals in solution | Zendy

Lehni M. | Zendy; Schuh H. | Zendy; Fischer H. | Zendy

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Rate constants for the termination of benzyl radicals in solution

Author(s) -

Lehni M.,

Schuh H.,

Fischer H.

Publication year - 1979

Publication title -

international journal of chemical kinetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 68

eISSN - 1097-4601

pISSN - 0538-8066

DOI - 10.1002/kin.550110704

Subject(s) - chemistry , cyclohexane , toluene , radical , reaction rate constant , solvent , diffusion , atmospheric temperature range , ground state , photochemistry , thermodynamics , computational chemistry , kinetics , organic chemistry , atomic physics , physics , quantum mechanics

The rate constant for the bimolecular combination of benzyl radicals in cyclohexane and toluene is determined as a function of temperature. Further, it is studied in cyclohexane–toluene mixtures of different compositions. In the entire range covered, 9.8 × 10 8 ⩽ 2 k t ⩽ 9.0 × 10 9 M −1 ·sec −1 , the data are very well described by the Smoluchowski equation for a diffusion‐controlled reaction to ground‐state products using a spin statistical factor of 1/4, a temperature‐ and solvent‐independent reaction distance, and the known diffusion coefficient of toluene.

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