Influence of intermolecular hydrogen bonds on the luminescence properties of α-substituted cinnamonitriles View Full Text


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Article Info

DATE

2013-03-22

AUTHORS

Ya. A. Mikhlina, B. M. Bolotin, B. M. Uzhinov, V. V. Volchkov, L. G. Kuz’mina

ABSTRACT

In view of the dramatic difference in the spectral-luminescence properties of α-(p-chlorobenzoyl)-4-diethylaminocinnamonitrile and α-ethoxycarbonyl-4-diethylaminocinnamonitrile in solutions and in the crystalline state, X-ray diffraction analysis has been applied to study crystals of these compounds. The intermolecular C-H...N and C-H...O hydrogen bonds are found to contribute to the quinoidization of molecules, which leads to a bathochromic shift in the absorption and fluorescence spectra. A spectral-luminescence study of the aforementioned compounds has revealed that the solvent temperature and polarity affect the position of absorption and luminescence peaks: a decrease in these parameters causes a hypsochromic shift. More... »

PAGES

259-265

References to SciGraph publications

  • 2006-05-06. Probing the nature of hydrogen bonds in DNA base pairs in JOURNAL OF MOLECULAR MODELING
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    http://scigraph.springernature.com/pub.10.1134/s106377451302017x

    DOI

    http://dx.doi.org/10.1134/s106377451302017x

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