surprisal, s

https://doi.org/10.1351/goldbook.S06195
A function relating the prior distribution P0 of product states to an observed or calculated product distribution P. It is defined by: s=ln(PP0)
Source:
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 188 [Terms] [Paper]