Synthesis and Structure of Heterometallic Chromium(III) Complexes with Ethylenediaminetetraacetic Acid |
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| Authors: | V. Ciornea I. G. Filippova A. Gulea S. Shova A. Borta Yu. A. Simonov |
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| Affiliation: | (1) Moldova State University, ul. Mateevici 60, Chisinau, MD2009, Moldova;(2) Institute of Applied Physics, Academy of Sciences of Moldova, Chisinau, Moldova |
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| Abstract: | The complexes [M(Tsc)2][Cr(Edta)]2, where M is Ni, Cu; Tsc is thiosemicarbazide; Edta4– is the ethylenediaminetetraacetate anion, were synthesized and characterized by X-ray diffraction. The ionic structures are composed of the [M(Tsc)2]2+ cations and [Cr(Edta)]– anions with a component ratio of 1 : 2. The cation has a distorted trans-square coordination. The carboxyl groups of the H4Edta molecule are deprotonated and the ligand is attached to the Cr atom in the hexadentate chelating mode. The cations and anions are linked by a system of hydrogen bonds.__________Translated from Koordinatsionnaya Khimiya, Vol. 31, No. 5, 2005, pp. 370–375.Original Russian Text Copyright © 2005 by Ciornea, Filippova, Gulea, Shova, Borta, Simonov. |
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