electrical anharmonicity

synonym: anharmonicity
https://doi.org/10.1351/goldbook.08591
Influence of terms that are of \(2^{\rm{nd}}\) and higher order in the normal coordinate \(Q\) in the expansion of the electric dipole moment.
Note: Electrical anharmonicity should not be confused with mechanical anharmonicity.
See also: electrical harmonicity
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 744 [Terms] [Paper]
Citation: 'electrical anharmonicity' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.08591 RIS BibTex EndNote
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