The energy barrier to chemical reaction. In vibrationally @A00146@ its height is the zero-point energy of the @A00092@ minus that of the reactants.
Source: PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 183 [Terms] [Paper]
Citation: 'reaction barrier' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.R05166 RISBibTexEndNote