entropy of activation, Δ‡S⚬

https://doi.org/10.1351/goldbook.E02150
The entropy change that appears in the thermodynamic form of the rate equation obtained from conventional transition-state theory.
See: enthalpy of activation
Sources:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1113 [Terms] [Paper]
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 165 [Terms] [Paper]
Citation: 'entropy of activation' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.E02150 RIS BibTex EndNote
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