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Elsevier, Polyhedron, 1(33), p. 252-256

DOI: 10.1016/j.poly.2011.11.035

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Synthesis and X-ray crystal structure of the first dinuclear 1,1,2-tris(pyrazol-1-yl)ethene–zinc chloride complex

Journal article published in 2012 by Andrei S. Potapov, Evgenia A. Nudnova, Vladimir D. Ogorodnikov, Tatiana V. Petrenko, Andrei I. Khlebnikov ORCID
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This paper is available in a repository.

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Abstract

Complexes of 1,1,2-tris(pyrazol-1-yl)ethene (Pz3) with zinc(II), cadmium and mercury(II) ions were prepared and characterized by IR spectroscopy. Cadmium and mercury(II) complexes are insoluble solids of polymeric structure, while zinc complex is a discrete dinuclear complex (Pz3)2Zn2Cl4, the structure of which was determined by X-ray crystallography. Zinc complex contains five- and four-coordinated PzN4Cl and PzNCl3 zinc centers. Two Pz3 ligands in the complex are unequivalent, one of them is coordinated by two zinc centers in a bridging mode, while the other is a terminal ligand linked to only one of zinc ions.