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Force Constant (Anharmonic) - MaRDI portal

Force Constant (Anharmonic)

From MaRDI portal


Available identifiers

WikidataQ545228 ScholiaQ545228MaRDI QIDQ6673744


coefficients of the nth (n>=3) order term in a Taylor expansion of the potential energy wrt displacements from a minimum energy configuration




Cubic, quartic, ... anharmonic force constants are the coefficients of the third, fourth, ... order term in a Taylor expansion of the potential energy wrt displacements from a minimum energy configuration.




Quantities specializing Force Constant (Anharmonic)

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https://en.wikipedia.org/wiki/Anharmonicity
https://www.wikidata.org/wiki/Q545228