Perturbed equilibria and statistical energy redistribution in a gas- phase S(N)2 reaction
Publication
, Journal Article
Craig, SL; Brauman, JI
Published in: Science
June 6, 1997
The relative translational energy of one set of reactants in the gas- phase equilibrium between chloride ion and chloroacetonitrile 35Cl- + 37ClCH2CN ⇆ 37Cl- + 35ClCH2CN is varied without affecting the energy distribution of the other set. The steady-state ratio of ionic isotopes changes so that there is an increase in the concentration of energized reactants. The ratio provides a measure of the translational energy dependence of the rate constant for the bimolecular nucleophilic substitution (S(N)2) reaction. The observed energy dependence is indistinguishable from that predicted by Rice-Ramsperger-Kassel-Marcus theory, suggesting that the increased translational energy redistributes statistically in the collision complex.
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Published In
Science
DOI
ISSN
0036-8075
Publication Date
June 6, 1997
Volume
276
Issue
5318
Start / End Page
1536 / 1538
Related Subject Headings
- General Science & Technology
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Craig, S. L., & Brauman, J. I. (1997). Perturbed equilibria and statistical energy redistribution in a gas- phase S(N)2 reaction. Science, 276(5318), 1536–1538. https://doi.org/10.1126/science.276.5318.1536
Craig, S. L., and J. I. Brauman. “Perturbed equilibria and statistical energy redistribution in a gas- phase S(N)2 reaction.” Science 276, no. 5318 (June 6, 1997): 1536–38. https://doi.org/10.1126/science.276.5318.1536.
Craig SL, Brauman JI. Perturbed equilibria and statistical energy redistribution in a gas- phase S(N)2 reaction. Science. 1997 Jun 6;276(5318):1536–8.
Craig, S. L., and J. I. Brauman. “Perturbed equilibria and statistical energy redistribution in a gas- phase S(N)2 reaction.” Science, vol. 276, no. 5318, June 1997, pp. 1536–38. Scopus, doi:10.1126/science.276.5318.1536.
Craig SL, Brauman JI. Perturbed equilibria and statistical energy redistribution in a gas- phase S(N)2 reaction. Science. 1997 Jun 6;276(5318):1536–1538.
Published In
Science
DOI
ISSN
0036-8075
Publication Date
June 6, 1997
Volume
276
Issue
5318
Start / End Page
1536 / 1538
Related Subject Headings
- General Science & Technology