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Taking the High Road and Getting There Before You

Carpenter, Barry K. ORCID: 2011. Taking the High Road and Getting There Before You. Science 332 (6035) , pp. 1269-1270. 10.1126/science.1206693

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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
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

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