Title: London forces Long Title: IUPAC Gold Book - London forces DOI: 10.1351/goldbook.L03617 Status: current Definition Attractive forces between apolar molecules, due to their mutual polarizability. They are also components of the forces between polar molecules. Also called 'dispersion forces'. Related Terms - polarizability: https://goldbook.iupac.org//terms/view/P04711 - van der Waals forces: https://goldbook.iupac.org//terms/view/V06597 Source - PAC, 1994, 66, 1077. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)' on page 1136 (https://doi.org/10.1351/pac199466051077) Other Outputs - html: https://goldbook.iupac.org/terms/view/L03617/html - json: https://goldbook.iupac.org/terms/view/L03617/json - xml: https://goldbook.iupac.org/terms/view/L03617/xml Citation: Citation: 'London forces' 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.L03617 License: 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. Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . Disclaimer: 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. Accessed: 2025-11-21T04:40:01+00:00