entrance channel

https://doi.org/10.1351/goldbook.E02148
The region of a potential-energy (reaction) surface or hypersurface that corresponds to molecular configurations that are closer in geometry to those of the reactants than to those of the products.
Source:
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 165 [Terms] [Paper]
Citation: 'entrance channel' 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.E02148 RIS BibTex EndNote
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