期刊
ANNUAL REVIEW OF PHYSICAL CHEMISTRY, VOL 62
卷 62, 期 -, 页码 621-643出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-physchem-032210-103450
关键词
nucleobases; amino acids; photochemistry; photophysics; radiationless transitions; quantum chemistry; nuclear dynamics
资金
- Direct For Mathematical & Physical Scien [0911474] Funding Source: National Science Foundation
Nonadiabatic events, in which the Born-Oppenheimer approximation breaks down, are ubiquitous in chemistry and biology. It is now widely accepted that they are facilitated by conical intersections (CIs), actual degeneracies between electronic states. We review the basic theory of CIs and how they can be studied using modern quantum chemistry and nuclear dynamics. We highlight their importance by presenting their role in radiationless decay pathways present in the building blocks of DNA and proteins. The presence of CIs may contribute to the photostability of these important biomolecules.
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