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Acta Crystallogr C. 2012 Apr;68(Pt 4):m85-9. doi: 10.1107/S0108270112004532. Epub 2012 Feb 29.

Two centrosymmetric dinuclear phenanthroline-copper(II) complexes with 3,5-dichloro-2-hydroxybenzoic acid and 5-chloro-2-hydroxybenzoic acid.

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  • 1Department of Inorganic Chemistry, Faculty of Chemical and Food Technology, Slovak Technical University, Bratislava, Slovakia. jan.moncol@stuba.sk

Abstract

The title compounds, bis(μ-3,5-dichloro-2-oxidobenzoato)-κ(3)O(1),O(2):O(2);κ(3)O(2):O(1),O(2)-bis[(3,5-dichloro-2-hydroxybenzoic acid-κO(1))(1,10-phenanthroline-κ(2)N,N')copper(II)], [Cu(2)(C(7)H(2)Cl(2)O(3))(2)(C(7)H(4)Cl(2)O(3))(2)(C(12)H(8)N(2))(2)], (I), and bis(μ-5-chloro-2-oxidobenzoato)-κ(3)O(1),O(2):O(1);κ(3)O(1):O(1),O(2)-bis[(5-chloro-2-hydroxybenzoic acid-κO(1))(1,10-phenanthroline-κ(2)N,N')copper(II)] ethanol monosolvate, [Cu(2)(C(7)H(3)ClO(3))(2)(C(7)H(5)ClO(3))(2)(C(12)H(8)N(2))(2)]·C(2)H(6)O, (II), contain centrosymmetric dinuclear complex molecules in which Cu(2+) cations are surrounded by a chelating 1,10-phenanthroline ligand, a chelating 3,5-dichloro-2-oxidobenzoate or 5-chloro-2-oxidobenzoate anionic ligand and a monodentate 3,5-dichloro-2-hydroxybenzoic acid or 5-chloro-2-hydroxybenzoic acid ligand. The chelating benzoate ligand also bridges to the other Cu(2+) ion in the molecule, but the O atom involved in the bridge is different in the two complexes, being the phenolate O atom in (I) and a carboxylate O atom in (II). The bridge completes a 4+1+1 axially elongated tetragonal-bipyramidal arrangement about each Cu(2+) cation. The complex molecules of both compounds are linked into one-dimensional supramolecular chains through O-H...O hydrogen bonds.

PMID:
22476141
[PubMed - indexed for MEDLINE]
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