local mode

of vibration
synonym: local mode
https://doi.org/10.1351/goldbook.08633
Mode of vibration localized in one type of bond.
Note:
For highly excited CH stretching vibrations anharmonic interactions mix the normal modes of vibration to the point that each observed mode of vibration behaves as a local mode.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 753 [Terms] [Paper]
Citation: 'local mode' 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.08633 RIS BibTex EndNote
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