resonance energy

https://doi.org/10.1351/goldbook.R05333
The difference in potential energy between the actual @M03986@ and the @C01309@ of lowest potential energy. The @R05326@ energy cannot be measured, but only estimated, since contributing structures are not observable molecular entities.
See:
contributing structure
,
molecular entity
,
resonance
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1161 [Terms] [Paper]
Citation: 'resonance energy' 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.R05333 RIS BibTex EndNote
Div. IIIPDFTextJSONHistory
Last revised: February 24, 2014