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Structure of arsenic 8-mercaptoquinolinate: Synthesis and crystal structure of arsenic 4-methoxy-8-mercaptoquinolinate As[C9H5(OCH3)NS]3

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Abstract

Arsenic 4-methoxy-8-mercaptoquinolinate As[C9H5(4-OCH3)NS]3 (I) was synthesized and studied by X-ray diffraction. Crystals are trigonal: space group R3, a = b = 13.9867(4) Å, c = 12.4991(5) Å, γ = 120°, V = 2117.58(12) Å3, ρ = 1.519 g/cm3, Z = 3. An arsenic atom in the crystal structure occupies a special position on axis 3. The structural unit of the crystal (neutral complex I) has symmetry C3. 4-Methoxy-8-mercaptoquinoline acts as a bidentate (N,S-) ligand. The coordination polyhedron of the arsenic atom is a symmetric octahedron (3S + 3N) or, with allowance for the lone electron pair, ψ-one-capped octahedron (3S + 3N + E). Bond lengths are as follows: As-S, 2.3179(7)Å; As…N 2.688(3) Å. The geometries of coordination polyhedra of arsenic atoms are compared in the crystal structures of As(C9H6NS)3, As[C9H5(2-CH3)NS]3, and As[C9H5(4-CH3)NS]3.

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Authors and Affiliations

  1. Institute of Inorganic Chemistry, Riga Technical University, Riga, Latvia

    E. Ya. Silin’, Ya. V. Ashaks, L. Ya. Pech & D. E. Zaruma

  2. Latvian Institute of Organic Synthesis, Riga, Latvia

    S. V. Belyakov

Authors
  1. E. Ya. Silin’
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  2. S. V. Belyakov
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  3. Ya. V. Ashaks
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  4. L. Ya. Pech
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  5. D. E. Zaruma
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Original Russian Text © E.Ya. Silin’, S.V. Belyakov, Ya.V. Ashaks, L.Ya. Pech, D.E. Zaruma, 2012, published in Zhurnal Neorganicheskoi Khimii, 2012, Vol. 57, No. 3, pp. 425–430.

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Silin’, E.Y., Belyakov, S.V., Ashaks, Y.V. et al. Structure of arsenic 8-mercaptoquinolinate: Synthesis and crystal structure of arsenic 4-methoxy-8-mercaptoquinolinate As[C9H5(OCH3)NS]3 . Russ. J. Inorg. Chem. 57, 373–377 (2012). https://doi.org/10.1134/S0036023612030308

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  • DOI: https://doi.org/10.1134/S0036023612030308

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