Bell–Evans–Polanyi principle

https://doi.org/10.1351/goldbook.B00628
The linear relation between @E02108@(\(E_{\text{a}}\)) and @E02141@ of reaction (\(\unicode[Times]{x394}H_{\text{r}}\)) sometimes observed within a series of closely related reactions. \[E_{\text{a}} = A + B\ \unicode[Times]{x394}H_{\text{r}}\]
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1088 [Terms] [Paper]