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Lookup NU author(s): Professor William Clegg, Dr Sophie Dale
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Reaction of (NH4)2[WOS3] or (NH4)2[MoO2S2], n-Bu4NBr, CuCl and Imt in acetone solvent afforded air- and moisture-stable clusters (n-Bu4N)[MOS3Cu3(Imt)2Br2] (M = W or Mo, Imt = imidazolidine-2-thione). These compounds have been characterized by IR, UV-Vis, 1H and 13C NMR spectra and single-crystal X-ray diffraction. They are crystallographically isostructural, with Imt and [MOS3]2- acting as monodentate and bidentate S-donor ligands, respectively. In the anions, the three Cu atoms have different coordination environments, one being distorted tetrahedral with Imt and Br as terminal ligands, the other two being approximately trigonal planar with Imt as a terminal ligand for one and Br as a terminal ligand for the other. W and Mo have approximately tetrahedral coordination geometry, with a terminal O and three triply-bridging S atoms. The NH groups of the Imt ligands serve as donors in intramolecular N-H⋯Br and in intermolecular N-H⋯Br and N-H⋯O hydrogen bonds, linking the anions to form layers with the cations in cavities. © 2007 Elsevier Ltd. All rights reserved.
Author(s): Beheshti A, Clegg W, Dale SH, Solimankhani A
Publication type: Article
Publication status: Published
Journal: Polyhedron
Year: 2008
Volume: 27
Issue: 2
Pages: 777-782
ISSN (print): 0277-5387
ISSN (electronic): 1873-3719
Publisher: Pergamon
URL: http://dx.doi.org/10.1016/j.poly.2007.11.005
DOI: 10.1016/j.poly.2007.11.005
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