Journal
POLYHEDRON
Volume 28, Issue 7, Pages 1273-1280Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2009.02.042
Keywords
Thiosemicarbazone; 3-Thiophene aldehyde; Crystal structure; Metal complexes
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The reaction of cobalt(II), nickel(II), copper(II) chlorides and bromides with 3-thiophene aldehyde thiosemicarbazone (3TTSCH) leads to the formation of a series of new complexes: [Co(3TTSC)(2)], [Ni(3TTSC)(2)], [CuCl(3TTSC](2), [CuBr(3TTSC)](2) and [CuBr2 (3TTSCH)]. The crystal structures of the free ligand and of the compound [Ni(3TTSC)(2)] have been determined by X-ray diffraction methods. For all these complexes, the central ion is coordinated through the sulfur and the azomethine nitrogen atom of the thiosemicarbazone. [Co(3TTSC)(2)], [Ni(3TTSC)(2)] and [CuBr2(3TTSCH)] are mononuclear species, while [CuCl(3TTSC)](2) and [CuBr(3TTSC)](2) are binuclear complexes. (C) 2009 Elsevier Ltd. All rights reserved.
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