A sphere, impenetrable to other spheres, displaying the same excluded volume as an actual @M03667@.
Source: Purple Book, 1st ed., p. 48 [Terms] [Book]
Citation: 'thermodynamically equivalent sphere' 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.T06315 RISBibTexEndNote