An
electronic state that arises by the excitation of a
valence 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
Rydberg orbital.
Source:
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).
XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic,
J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8.
https://doi.org/10.1351/goldbook.
