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

TY - JOUR

T1 - Vibrational enhancement of the reaction rate and steric requirements in the H + D2(ν) and D + H2(χ) reactions

AU - Schechter, I.

AU - Kosloff, R.

AU - Levine, R. D.

N1 - Funding Information: We thank Professor J.P. Toennies for discussion and Dr. T. Josepth for participating in an early stage of this study. This work was supported in part by the US-Israel Binational Science Foundation (BSF) Jerusalem, Irael. The Friiz Haber Research Center is supported by the Minerva Gesellschaft fiir die Forschung, mbH, Munich, FRG.

PY - 1985/11/15

Y1 - 1985/11/15

N2 - 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.

AB - 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.

UR - http://www.scopus.com/inward/record.url?scp=4244097327&partnerID=8YFLogxK

U2 - 10.1016/0009-2614(85)87182-7

DO - 10.1016/0009-2614(85)87182-7

M3 - 文章

AN - SCOPUS:4244097327

SN - 0009-2614

VL - 121

SP - 297

EP - 300

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 4-5

ER -