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Synthesis, crystal structure, and luminescent properties of silver complexes with 2-methylquinoline

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Abstract

The complexes [AgL2(NO3)] (I) and [AgL2(CH3SO3)] · H2O (II) (L is 2-methylquinoline, C10H9N) have been synthesized and structurally characterized by single-crystal X-ray diffraction. Crystals of I are monoclinic, space group P21/n, a = 9.296(1) Å, b = 13.495(1) Å, c = 14.931(1) Å, β = 95.06(1)°, V = 1865.8(3) Å3, ρcalc = 1.624 g/cm3, Z = 4. Crystals of II are monoclinic, space group P21/n, a = 13.147(1) Å, b = 11.767(1) Å, c = 13.814(1) Å, β = 96.06(1)°, V = 2124.3(3) Å3, ρcalc = 1.599 g/cm3, Z = 4. Compounds I and II are composed of discrete complexes of similar structure but with different orientation of the methyl groups of ligand L (trans and cis arrangement, respectively). Both anions, NO -3 and CH3SO -3 function as a chelating weakly bound ligand for the Ag+ ion. The presence of water molecules in II is favorable for the formation of dimeric supramolecular moieties between the centrosymmetrically arranged Ag+ complexes with 2-methylquinoline. The luminescence spectra of solid complexes I and II showed a bathochromic shift as compared to the spectrum of L in acetonitrile. Complexes I and II have been characterized by 1H and 13C{H} NMR spectra in CD3CN.

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia

    Yu. V. Kokunov, V. V. Kovalev, Yu. E. Gorbunova, S. A. Kozyukhin & S. G. Sakharov

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  1. Yu. V. Kokunov
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  2. V. V. Kovalev
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  3. Yu. E. Gorbunova
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  4. S. A. Kozyukhin
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  5. S. G. Sakharov
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Correspondence to Yu. V. Kokunov.

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Original Russian Text © Yu.V. Kokunov, V.V. Kovalev, Yu.E. Gorbunova, S.A. Kozyukhin, S.G. Sakharov, 2016, published in Zhurnal Neorganicheskoi Khimii, 2016, Vol. 61, No. 12, pp. 1599–1605.

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Kokunov, Y.V., Kovalev, V.V., Gorbunova, Y.E. et al. Synthesis, crystal structure, and luminescent properties of silver complexes with 2-methylquinoline. Russ. J. Inorg. Chem. 61, 1538–1544 (2016). https://doi.org/10.1134/S003602361612007X

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  • DOI: https://doi.org/10.1134/S003602361612007X

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