Vibrational enhancement of the reaction rate and steric requirements in the H + D2(ν) and D + H2(χ) reactions

I. Schechter*, R. Kosloff, R. D. Levine

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

The cone of acceptance for H + H2 reactive collisions is shown to open up upon stretching of the H2 bond. At a given translational energy, the steric factor is thus much larger for vibrationally excited reagents as demonstrated by classical trajectory computations for H + D2(ν) and D + H2(ν). At a given total energy, the efficacy of reagent vibrational excitation is conveniently represented by a surprisal plot. The surprisal parameter is essentially isotopically invariant.

Original languageEnglish
Pages (from-to)297-300
Number of pages4
JournalChemical Physics Letters
Volume121
Issue number4-5
DOIs
StatePublished - 15 Nov 1985
Externally publishedYes

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