Influence of intermolecular hydrogen bonds on the luminescence properties of α-substituted cinnamonitriles
作者： Ya. A. Mikhlina , B. M. Bolotin , B. M. Uzhinov , V. V. Volchkov , L. G. Kuz’mina
DOI: 10.1134/S106377451302017X
关键词:
摘要: In view of the dramatic difference in spectral-luminescence properties α-(p-chlorobenzoyl)-4-diethylaminocinnamonitrile and α-ethoxycarbonyl-4-diethylaminocinnamonitrile solutions crystalline state, X-ray diffraction analysis has been applied to study crystals these compounds. The intermolecular C-H...N C-H...O hydrogen bonds are found contribute quinoidization molecules, which leads a bathochromic shift absorption fluorescence spectra. A aforementioned compounds revealed that solvent temperature polarity affect position luminescence peaks: decrease parameters causes hypsochromic shift.
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