Issue 15, 2002

The chemical kinetics and dynamics of the prototypical reaction: OH + H2 → H2O + H

Abstract

During the last decade, in studies of bimolecular reaction dynamics by both experimentalists and theoreticians, there has been increasing emphasis on reactions beyond the three-atom case, traditionally represented by A + BC → AB + C. As part of this progress, four-atom reactions of the type AB + CD → ABC + D have attracted much attention. Within this class of reactions, for both theoretical and experimental reasons, the system: OH + H2[leftrightharpoons]H2O + H has emerged as a prototype. In reactions involving four atoms, this reaction now occupies the place held by the H + H2 → H2 + H and F + H2[leftrightharpoons] HF + H reactions amongst three-atom reactions. In this article, we review the experimental data for the kinetics and reaction dynamics that are available for the forward and reverse reactions, OH + H2[leftrightharpoons]H2O + H and compare these results with the current state of theory for this prototypical system. We also suggest future experimental and theoretical studies that are needed to bring our understanding of this reactive system to the level of that for the H3 and FH2 systems.

Article information

Article type
Invited Article
Submitted
25 Jan 2002
Accepted
26 Apr 2002
First published
25 Jun 2002

Phys. Chem. Chem. Phys., 2002,4, 3543-3551

The chemical kinetics and dynamics of the prototypical reaction: OH + H2 → H2O + H

I. W. M. Smith and F. Fleming Crim, Phys. Chem. Chem. Phys., 2002, 4, 3543 DOI: 10.1039/B200985B

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