π → π* transition

https://doi.org/10.1351/goldbook.P04386
An electronic transition described approximately as a @P04877@ of an electron from a 'bonding' π orbital to an 'antibonding' π orbital designated as π*.
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2266 [Terms] [Paper]
Citation: 'π → π* transition' 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.P04386 RIS BibTex EndNote
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Last revised: February 24, 2014