A bi-butterfly W-Cu-S cluster compound:Synthesis and crystal structure of(n-Bu4N)2[W2Cu4S8(S2CNC4H8)2]

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LEI
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中国国家自然科学基金;
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Cu; A bi-butterfly W-Cu-S cluster compound; S2CNC4H8; W2Cu4S8; n-Bu4N; CNC;
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摘要
The compound(n-BuN)[WCuS(SCNCH)]was obtained by the reaction of BuNBr,(NH)WS,NaSNCCHand CuCl in CHCN and CHOH.It crystallizes in the monoclinicspace group P2/c with unit cell parameters:a=21.875(5),b=16.843(4),c=17.745(5),β=101.69(6)°,V=6402(6),Z=4,D=1.718 g·cm.The final R and Rvalues converged to 0.055and 0.060 respectively.The structure consists of two‘butterfly’units[WSCu]linked togetherby two weak Cu—S bonds and two bridging SCNCHligands.Infrared spectra gave charac-teristic absorptions at 495 cmfor W=S and 450,435,412 cmfor W—μ-S.
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页码:144 / 150
页数:7
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