Within the 'Born-Oppenheimer' approximation, a reaction of an @E02257@ species that occurs on a single 'potential-energy surface'.
See also: diabatic photoreaction
Source: PAC, 1996,
68, 2223. (
Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2227 [
Terms] [
Paper]