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DIRECTIONS OF THE ELECTRONIC TRANSITION MOMENTS OF SYNTHETIC Y t BASE *
Author(s) -
GRYCZYŃSKI I.,
GRYCZYŃSKI Z.,
KAWSKI A.,
PASZYC S.
Publication year - 1984
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1984.tb08184.x
Subject(s) - anisotropy , base (topology) , quantum chemical , electronic structure , molecular electronic transition , chemistry , transition (genetics) , quantum , computational chemistry , condensed matter physics , physics , materials science , crystallography , quantum mechanics , mathematics , organic chemistry , molecule , mathematical analysis , biochemistry , gene
— Dichroism was measured for different electronic transitions ( S n ← S o ) of Y‐4,9‐dihydro‐4,6‐dimethyl‐9‐oxo‐1H‐imidazo‐1,2‐a purine ( Y t base) in anisotropic polyvinylalcohol (PVA) films. The directions of the electronic transition moments of the Y t base were determined based on the results obtained, applying the models of Tanizaki and Popov. The results were compared with relevant data obtained from quantum chemical calculations.