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Lookup NU author(s): Dr Neil Brooks,
Emeritus Professor Bill Clegg
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The title compound, bis(tetra-n-butylammonium) tetrachlorotetra- μ3-sulfidotetracopper(I)molybdenum(VI), (C16H 36N)2-[MoS4(CuCl)4], has been obtained in a second polymorphic form. The anion, in which four of the six S⋯S edges of the central MoS4 tetrahedron are bridged by CuCl neutral molecular units to give a planar pentanuclear MoCu4 frame-work, is disordered on a crystallographic fourfold rotation axis, requiring equal occupancy of two sets of four positions for the S atoms. There is additional disorder as a result of 8.2 (2)% substitution of Cl by Br, arising from tetra-n-butylammonium bromide used in the synthesis. Copper has distorted trigonal planar coordination, involving two μ3-S atoms and a terminal halogen atom. The two independent cations lie on positions of symmetry 4̄. © 2004 International Union of Crystallography Printed in Great Britain - all rights reserved.
Author(s): Brooks NR, Clegg W, Sadr MH, Esm-Hosseini M, Yavari R
Publication type: Article
Publication status: Published
Journal: Acta Crystallographica Section E: Structure Reports Online
Print publication date: 01/02/2004
ISSN (electronic): 1600-5368
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