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Synthesis and Structure of the Copper(II) Complex with ortho-Phthalic Acid and 1-Methylimidazole [Cu(HPht)2(1-CH3Im)2]

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Abstract

A new Cu(II) complex [Cu(HPht)2(1-CH3Im)2] (I), where HPht is the monoanion of o-phthalic acid and 1-CH3Im is 1-methylimidazole, is synthesized and characterized by IR spectroscopy, thermogravimetry, and X-ray diffraction analysis. Compound I contains molecular complexes in which the o-phthalic acid residue is monodeprotonated and linked to a metal through the carboxyl group in a 1,3-chelate mode. The cis-octahedral coordination of copper is formed by two HPht residues and two 1-CH3Im molecules. The distances are Cu-N1.945(6) Å, Cu-O2.018(5) Å and 2.374(6) Å. Polymeric chains are formed in complex I due to intermolecular \(\operatorname{O} - \operatorname{H} \cdots \operatorname{O}\) hydrogen bonds. The chains are unified into layers by the \(\operatorname{C} - \operatorname{H} \cdots \pi\) interactions between the 1-CH3Im molecules of the adjacent complexes.

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Authors and Affiliations

  1. Institute of Applied Physics, Academy of Sciences of Moldova, Chisinau, Moldova

    O. A. Gherco

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  1. O. A. Gherco
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Translated from Koordinatsionnaya Khimiya, Vol. 31, No. 8, 2005, pp. 630–635.

Original Russian Text Copyright © 2005 by Gherco.

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Gherco, O.A. Synthesis and Structure of the Copper(II) Complex with ortho-Phthalic Acid and 1-Methylimidazole [Cu(HPht)2(1-CH3Im)2]. Russ J Coord Chem 31, 597–602 (2005). https://doi.org/10.1007/s11173-005-0142-y

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  • DOI: https://doi.org/10.1007/s11173-005-0142-y

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