Abstract
Intramolecular exciplex formation and excess vibrational energy dependence were investigated in the bichromophoric EDA systems of several 1-(4-(dialkylamino)phenyl-3-(1- and 9-anthryl)propanes in a supersonic free jet. Fluorescence excitation spectra suggest that two types of ground-state conformers are involved at low He backing pressure (750 Torr). These conformers were tentatively ascribed to trans (t) and gauche (g) conformers concerning the C 1 -C 2 conformation of trimethylene-substituted anthryl. Fluorescence excitation spectra of the t conformer show well-resolved vibrational structures of the S 1 state, while those of g were considerably congested
Published Version
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