08636 IUPAC Gold Book - mechanical harmonicity 10.1351/goldbook.08636 08636 current synonym: harmonicity 1 Influence of quadratic terms in vibrational potential energy. Mechanical harmonicity should not be confused with electrical harmonicity. electrical harmonicity https://goldbook.iupac.org//terms/view/08592 vibrational potential energy https://goldbook.iupac.org//terms/view/08707 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) https://goldbook.iupac.org/terms/view/08636/html https://goldbook.iupac.org/terms/view/08636/json https://goldbook.iupac.org/terms/view/08636/plain Citation: 'mechanical harmonicity' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.08636 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-05-31T06:34:44+00:00