Gas-Phase Phenyl Radical + O2 Reacts via a Submerged Transition State
Oisin J. Shiels,
Samuel J. P. Marlton,
Berwyck L. J. Poad
et al.
Abstract:In the gas-phase chemistry of the atmosphere and automotive fuel combustion, peroxyl radical intermediates are formed following O 2 addition to carbon-centered radicals which then initiate a complex network of radical reactions that govern the oxidative processing of hydrocarbons. The rapid association of the phenyl radical−a fundamental radical related to benzene−with O 2 has hitherto been modeled as a barrierless process, a common assumption for peroxyl radical formation. Here, we provide an alternate explan… Show more
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