{"id":"https://openalex.org/keywords/force-constants","display_name":"force constants","description":"Parameters in molecular physics and chemistry that quantify the stiffness of bonds or other interactions around an equilibrium configuration.","display_name_alternatives":["force constant"],"ids":{"openalex":"https://openalex.org/keywords/force-constants","wikidata":null},"primary_topic":{"id":"https://openalex.org/T11277","display_name":"Thermal properties of materials","score":0.226,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11277","display_name":"Thermal properties of materials","score":0.226,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12967","display_name":"Molecular Spectroscopy and Structure","score":0.1999,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10002","display_name":"Advanced Chemical Physics Studies","score":0.0961,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":10600,"cited_by_count":233079,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/force-constants","updated_date":"2026-10-16T04:06:51","created_date":"2026-09-30T00:00:00"}
