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Synthesis and X-ray structural characterization of dioxomolybdenum(VI) complexes with N′-(5-chloro-2-hydroxybenzylidene)-4-methylbenzohydrazide and N′-(2-hydroxybenzylidene)-4-methylbenzohydrazide

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Abstract

Two new dioxomolybdenum(VI) complexes, [MoO2(ClHm)(CH3OH)] (I) and [MoO2(Hm)(CH3OH)] (II) with the hydrazone ligands H2ClHm and H2Hm derived from 4-methylbenzohy-drazide with 5-chlorosalicylaldehyde and salicylaldehyde, respectively, have been synthesized and structurally characterized by physicochemical methods and single-crystal X-ray determination. The crystal of I crystallizes in the triclinic space group \(P\bar 1\), with a = 7.839(2), b = 9.656(3), c = 11.548(4) Å α = 88.885(3)°, β = 87.454(3)°, γ = 88.996(3)°, V = 873.0(5) Å3, Z = 2, R 1 = 0.0292, wR 2 = 0.0685, S = 1.092. The crystal of II crystallizes in the triclinic space group \(P\bar 1\), with a = 7.780(2), b = 10.584(3), c = 10.628(3) Å, α = 91.462(3)°, β = 104.818(3)°, γ = 103.288(3)°, V = 820.1(4) Å3, Z = 2, R 1 = 0.0403, wR 2 = 0.0784, S = 1.065. An X-ray analysis indicates that the structures of both complexes are similar to each other. The molybdenum atom in each complex is in an octahedral coordination environment constructed by two oxo groups, an NO2 donor set of the hydrazone ligand, and one methanol O atom.

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  1. School of Chemistry and Environmental Engineering, Chongqing Three Gorges University, Chongqing, 404000, P.R. China

    Y. Lei & C. Fu

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  1. Y. Lei
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  2. C. Fu
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Lei, Y., Fu, C. Synthesis and X-ray structural characterization of dioxomolybdenum(VI) complexes with N′-(5-chloro-2-hydroxybenzylidene)-4-methylbenzohydrazide and N′-(2-hydroxybenzylidene)-4-methylbenzohydrazide. Russ J Coord Chem 38, 65–70 (2012). https://doi.org/10.1134/S1070328411120037

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  • DOI: https://doi.org/10.1134/S1070328411120037

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