vibronic coupling

https://doi.org/10.1351/goldbook.V06617
Interaction between electronic and vibrational motions in a molecular entity.
See:
Jahn–Teller effect
,
Renner–Teller effect
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2283 [Terms] [Paper]