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[Cr(C6H18N4)(SbS3)], a chromium complex containing an unusual bidentate SbS33- ligand

Vaqueiro, P., Chippindale, A.M. and Powell, A. V. (2003) [Cr(C6H18N4)(SbS3)], a chromium complex containing an unusual bidentate SbS33- ligand. Polyhedron, 22 (20). pp. 2839-2845. ISSN 0277-5387

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To link to this article DOI: 10.1016/s0277-5387(03)00403-0

Abstract/Summary

A new chromium-antimony-sulfide, [Cr(C6H18N4)(SbS3)], has been synthesised under solvothermal conditions from CrCl3. 6H(2)O, Sb2S3 and S in the presence of triethylenetetramine at 433 K and characterised by single-crystal X-ray diffraction, thermogravimetry, elemental analysis and SQUID magnetometry. The structure of [Cr(C6H18N4)(SbS3)] consists of neutral mononuclear chromium-centred complexes, in which the Cr3+ is chelated by one tetradentate triethylenetetramine molecule and a bidentate SbS33- ligand, yielding distorted octahedral coordination. Intermolecular hydrogen bonds link individual molecules into layers within the ac plane. Within a layer, molecules occur in pairs with each member related by a centre of inversion. The Cr...Cr separation within a pair is approximately 6.5 Angstrom. Magnetic susceptibility data reveal Curie-Weiss behaviour with mu(eff) = 3.819(3)/mu(B) and a negligible Weiss constant, indicative of non-interacting Cr3+ ions. (C) 2003 Elsevier Science Ltd. All rights reserved.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:11689
Uncontrolled Keywords:solvothermal synthesis, chromium thioantimonates, crystal structure, ANTIMONY SULFIDE, STRUCTURAL CHARACTERIZATION, HYDROTHERMAL SYNTHESIS, CRYSTAL-STRUCTURE, METAL-COMPLEXES, THIOANTIMONATE(III), CHEMISTRY, NI, FE

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