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Crystal structure of boron difluoride acetylnaphtholates

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Abstract

The crystal structure of luminescent isomeric boron difluoride acetylnaphtholates: 2-acetyl-1-naphthoboron difluoride (1) and 1-acetyl-2-naphthoboron difluoride (2) has been studied. Molecules of 1 make infinite stacks of coplanar molecules in crystals, and molecules of 2 are arranged in the crystalline cell in the form of isolated π-dimers. Unlike a planar molecule of 1, the methyl group in α-position of the diketonate ring drops out of the molecule plane in a molecule of 2, thus forcing the chelate ring to bend considerably along the line C(11)-B. The structure features of 1 cause a bathochromic shift of the luminescence band in comparison with 2.

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Authors and Affiliations

  1. Institute of Chemistry, Far East Division, Russian Academy of Sciences, Vladivostok

    B. V. Bukvetskii, E. V. Fedorenko, A. G. Mirochnik & V. E. Karasev

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  1. B. V. Bukvetskii
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  2. E. V. Fedorenko
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  3. A. G. Mirochnik
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  4. V. E. Karasev
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Translated from Zhurnal Strukturnoi Khimii, Vol. 47, No. 1, pp. 62–68, January–February, 2006.

Original Russian Text Copyright © 2006 by B. V. Bukvetskii, E. V. Fedorenko, A. G. Mirochnik, and V. E. Karasev

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Bukvetskii, B.V., Fedorenko, E.V., Mirochnik, A.G. et al. Crystal structure of boron difluoride acetylnaphtholates. J Struct Chem 47, 56–62 (2006). https://doi.org/10.1007/s10947-006-0265-0

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  • DOI: https://doi.org/10.1007/s10947-006-0265-0

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