one-bond-flip (OBF)

https://doi.org/10.1351/goldbook.OT07432
@P04622-1@ of one double bond in a conjugated double bond system. It is a regular E/Z @P04622-2@.
OT07432.png
Compare with @BT07330@, @HT07393@.
Source:
PAC, 2007, 79, 293. (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 377 [Terms] [Paper]