intersystem crossing

https://doi.org/10.1351/goldbook.I03123
A photophysical process. An isoenergetic @R05057@ between two electronic states having different multiplicities. It often results in a vibrationally excited molecular entity in the lower @ET07026@, 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]
Citation: 'intersystem crossing' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.I03123 RIS BibTex EndNote
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Last revised: February 24, 2014