title: Calculation of pi-pi excited state conformations and vibronic structure of retinal and related molecules.
mesh_terms: D000447:Aldehydes; D002074:Butanones; D003510:Cyclohexanes; D008722:Methods; D008968:Molecular Conformation; D012168:Retinal Pigments / Q000032:analysis*; D012243:Rhodopsin; D013057:Spectrum Analysis; D013696:Temperature; D013729:Terpenes; D014801:Vitamin A / Q000031:analogs & derivatives*
chemical_list: D000447:Aldehydes; D002074:Butanones; D003510:Cyclohexanes; D012168:Retinal Pigments; D013729:Terpenes; D014801:Vitamin A; D012243:Rhodopsin