harmonic constant

symbols: ωe, ωk, units: m−1, cm−1
synonym: harmonic wavenumber
https://doi.org/10.1351/goldbook.08610
Coefficient of (ν+½) in the vibrational term value, determined by the harmonic terms in the vibrational potential energy.
Note:
SI unit: m−1. Common unit: cm−1.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 748 [Terms] [Paper]
Citation: 'harmonic constant' 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.08610 RIS BibTex EndNote
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