n → σ* transition

https://doi.org/10.1351/goldbook.N04081
An electronic transition described approximately as @[email protected] of an electron from a 'non-bonding' (lone-pair) n orbital to an 'antibonding' σ orbital designated as σ*. Such transitions generally involve high transition energies and appear close to or mixed with @[email protected]
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2255 [Terms] [Paper]
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