Bis(tetra-n-butylammonium) tetrakis[chloro(3-sulfido)copper(I)]tungstate(VI): a second polymorph
The title compound, (C16H36N)2[WS4(CuCl)4], has been obtained in a second polymorphic form. The anion, in which four of the six S…S edges of the central WS4 tetrahedron are bridged by CuCl neutral molecular units to give a planar pentanuclear WCu4 framework, is disordered on a crystallographic fourfold rotation axis, requiring equal occupancy of two sets of four positions for the S atoms. Copper has distorted trigonal planar coordination, involving two 3-S atoms and a terminal Cl atom. The two independent cations lie on positions of symmetry .
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Document Type: Research Article
Publication date: December 1, 2004