Influence of Translational Energy Upon Reactive Scattering Cross Section: Neutral‐Neutral Collisions

Ureña, A. González

doi:10.1002/9780470142929.ch3

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Cited by 32 publications

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The Arrhenius Equation: Limits of Validity under Extreme Reaction Conditions

Stiller¹

1992

Ber Bunsenges Phys Chem

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Photon‐induced molecular dissociation increases the portion of radical reactions which in general can be treated in the framework of chemical equilibrium kinetics of the translational degrees of freedom of the reagents. In particular an “inversion” of the Arrhenius equation gives a reactive “Arrhenius” cross section which shows a wide (but limited) spectrum of possibilities describing bimolecular gas phase reactions in the framework of Arrhenius kinetics. The occurrence of charged particles and energy‐rich cosmic, solar and magnetospheric species and the presence of electromagnetic fields lead to nonequilibrium situations which have to be described by the chemical nonequilibrium kinetics deviating from Arrhenius kinetics.

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