Carpenter, Barry K. ![]() |
Abstract
Advances in experimental or theoretical methodology sometimes reveal that the existing model for a phenomenon under study is actually incorrect or, at best, incomplete. One long-standing model that is being rethought in light of recent results is the transition state theory (TST) model, especially when applied to the selectivity of a chemical reaction—why more of one product forms versus another under a given set of conditions. In the conventional TST model, reactants must scale an energy barrier and pass through a transition state to form stable products. Reactions with lower barriers are usually the favored products. On page 1300 of this issue, Schreiner et al. (1) report that low-temperature reaction of an organic molecule is completely at odds with TST predictions, and that a proper accounting of the quantum-mechanical nature of the nuclei in molecules is needed to explain the results.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Chemistry |
Subjects: | Q Science > QD Chemistry |
Publisher: | American Association for the Advancement of Science |
ISSN: | 0036-8075 |
Last Modified: | 18 Oct 2022 13:31 |
URI: | https://orca.cardiff.ac.uk/id/eprint/14216 |
Citation Data
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