Rydberg state

https://doi.org/10.1351/goldbook.RT07096
An @ET07026@ that arises by the excitation of a @V06588@ electron to a diffuse atomic-like orbital. For instance, the lowest lying Rydberg state (n, 3S) of NH3 can be described as resulting from the excitation of a non-bonding orbital to a 3S @R05431@.
Source:
PAC, 1999, 71, 1919. (Glossary of terms used in theoretical organic chemistry) on page 1961 [Terms] [Paper]
Citation: 'Rydberg state' 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.RT07096 RIS BibTex EndNote
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Last revised: February 24, 2014