Title: electric dipole moment Long Title: IUPAC Gold Book - electric dipole moment DOI: 10.1351/goldbook.E01929 Status: current Index: quantity Definition Vector quantity, the vector product of which with the electric field strength, \(E\), of a homogeneous field is equal to the torque. \(T=p\times E\). The direction of the dipole moment is from the negative to the positive charge. Related Terms - dipole moment: https://dev.goldbook.iupac.org/terms/view/D01761 - electric field strength: https://dev.goldbook.iupac.org/terms/view/E01931 - torque: https://dev.goldbook.iupac.org/terms/view/T06400 Source - Green Book, 2nd ed., p. 24 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf) Other Outputs - html: https://dev.goldbook.iupac.org/terms/view/E01929/html - json: https://dev.goldbook.iupac.org/terms/view/E01929/json - xml: https://dev.goldbook.iupac.org/terms/view/E01929/xml Citation: Citation: 'electric dipole moment' 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.E01929 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: 2025-11-12T19:54:45+00:00