intersystem crossing

https://doi.org/10.1351/goldbook.I03123
A photophysical process. An isoenergetic @[email protected] between two electronic states having different multiplicities. It often results in a vibrationally excited molecular entity in the lower @[email protected], which then usually deactivates to its lowest vibrational level.
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2248 [Terms] [Paper]
See also:
Orange Book, 2nd ed., p. 187 [Terms] [Book]
Cite as: IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Online version (2019-) created by S. J. Chalk. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
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Last revised: February 24, 2014