Abstract
▪ Abstract A brief review is presented of post-RRKM models for unimolecular reaction kinetics. The dynamics of the gas-phase SN2 reaction are discussed, and the important role of phase-space bottlenecks is highlighted. The remainder of the review is devoted to experimental and trajectory simulation results on thermal reactions of organic molecules that exhibit nonstatistical dynamics quite unlike that seen in the SN2 reaction. Specifically, the intermediates generated in these reactions decay much faster than RRKM theory would predict, and often with bimodal or multimodal lifetime distributions. A qualitative model for this behavior based on overlaps of transitional regions in the molecular phase space is discussed.
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Dates
Type | When |
---|---|
Created | 20 years, 9 months ago (Nov. 11, 2004, 6:02 p.m.) |
Deposited | 3 years, 10 months ago (Oct. 16, 2021, 9:43 a.m.) |
Indexed | 14 hours, 19 minutes ago (Aug. 27, 2025, 12:30 p.m.) |
Issued | 20 years, 3 months ago (May 5, 2005) |
Published | 20 years, 3 months ago (May 5, 2005) |
Published Print | 20 years, 3 months ago (May 5, 2005) |
@article{Carpenter_2005, title={NONSTATISTICAL DYNAMICS IN THERMAL REACTIONS OF POLYATOMIC MOLECULES}, volume={56}, ISSN={1545-1593}, url={http://dx.doi.org/10.1146/annurev.physchem.56.092503.141240}, DOI={10.1146/annurev.physchem.56.092503.141240}, number={1}, journal={Annual Review of Physical Chemistry}, publisher={Annual Reviews}, author={Carpenter, Barry K.}, year={2005}, month=may, pages={57–89} }