Answers are grounded in this paper and cite their sources.
2,3-Diphenylnorbornene and cis-stilbene exhibit essentially identical ‘nonvertical’ triplet excitation behaviour, in agreement with a mechanism requiring torsion about formal single bonds on the ground-state surface.
No takes yet. Share an insight, caveat, or question.
Gorman et al. (1991) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: