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  • Title: Bis(acetonitrile-κN)bis[hydridotris(3,5-dimethylpyrazol-1-yl-κN2)borato]di-μ3-sulfido-tetra-μ2-sulfido-di-μ2-thiocyanato-κ2N:S;κ2S:N-tetracopper(I)ditungsten(VI).
    Author: Lü X, Ren ZG, Zheng AX, Zhang L, Lang JP.
    Journal: Acta Crystallogr C; 2011 Jul; 67(Pt 7):m241-4. PubMed ID: 21727622.
    Abstract:
    Reactions of (Et(4)N)[Tp*WS(3)] [Tp* is hydridotris(3,5-dimethylpyrazol-1-yl)borate] with CuSCN in MeCN in the presence of melamine afforded the title neutral dimeric cluster [Cu(4)W(2)(C(15)H(22)BN(6))(2)(NCS)(2)S(6)(C(2)H(3)N)(2)] or [Tp*W(μ(2)-S)(2)(μ(3)-S)Cu(μ(2)-SCN)(CuMeCN)](2), which has two butterfly-shaped [Tp*WS(3)Cu(2)] cores bridged across a centre of inversion by two (CuSCN)(-) anions. The S atoms of the bridging thiocyanate ligands interact with the H atoms of the methyl groups of the Tp* units of a neighbouring dimer to form a C-H···S hydrogen-bonded chain. The N atoms of the thiocyanate anions interact with the H atoms of the methyl groups of the Tp* units of neighbouring chains, affording a two-dimensional hydrogen-bonded network.
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