01009 IUPAC Gold Book - charge-transfer transition to solvent 10.1351/goldbook.C01009 C01009 current initialism: CTTS 1 Electronic transition which is adequately described by single electron transfer between a solute and the solvent, as opposed to excitation followed by electron transfer to solvent. charge-transfer transition https://goldbook.iupac.org//terms/view/C01008 electron transfer https://goldbook.iupac.org//terms/view/E02011 PAC, 1996, 68, 2223. 'Glossary of terms used in photochemistry (IUPAC Recommendations 1996)' on page 2232 (https://doi.org/10.1351/pac199668122223) https://goldbook.iupac.org/terms/view/C01009/html https://goldbook.iupac.org/terms/view/C01009/json https://goldbook.iupac.org/terms/view/C01009/plain Citation: 'charge-transfer transition to solvent' 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.C01009 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. 2026-06-10T09:56:52+00:00