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Chiral Exciton Coupling and Circular Dichroic
Electronic Transitions of Chromophores Suitable
14 other sections not shown
a-state absolute configuration absolute stereochemistry absorption acid Adapted from reference amplitude anthracene band benzoate chromophores benzoate groups CD and UV CD Cotton effects CD curve CD exciton chirality CD spectrum Chem chemical correlation chiral exciton coupling Circular Dichroism cn CN cn compounds conformation coupled oscillator determined the absolute dibenzoate chirality method dihedral angle dioxane dipole moments electric transition enone equation ethanol EtOH CD EtOH EtOH excited exciton chirality method exciton coupling mechanism exciton split Cotton exhibits glycol Harada intramolecular intramolecular charge transfer long axis longer wavelength moiety molecular orbital Nakanishi naphthalene negative chirality negative exciton chirality negative second observed CD para-substituted benzoate polarized positive chirality positive exciton chirality positive second Cotton rotational strength second Cotton effects shown in Figure split Cotton effects stereochemistry steroidal Table Tetrahedron Lett tion transition dipole transition dipole moments transition moments tt+tt UV spectra vicinal dibenzoates wave functions wavelength zoate