mechanical anharmonicity
synonym
: anharmonicity
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https://doi.org/10.1351/goldbook.08635
Influence of cubic and higher-order terms in
vibrational potential energy
.
Note:
Mechanical anharmonicity should not be confused with
electrical anharmonicity
.
Source:
PAC, 2021,
93
, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 754 (https://doi.org/10.1515/pac-2019-0203)