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Acta Crystallogr Sect E Struct Rep Online. 2014 Feb 28;70(Pt 3):m112-3. doi: 10.1107/S1600536814004280. eCollection 2014 Mar 1.

Poly[(μ3-3,5-di-nitro-benzoato-κ(3) O (1):O (1'):O (3))(μ2-hydroxido-κ(2) O:O)copper(II)].

Author information

1
Department of Chemistry, North Bengal University, Dt. Darjeeling, West Bengal 734 013, India.
2
Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia ; Chemistry Department, Faculty of Science, King Abdulaziz University, PO Box 80203 Jeddah, Saudi Arabia.
3
Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia.

Abstract

The title complex, [Cu{μ3-O2CC6H3(NO2)2-3,5}(μ-OH)] n , features zigzag chains in which successive pairs of Cu(II) atoms are connected by OH bridges and bidentate carboxyl-ate ligands, leading to six-membered Cu(O)(OCO)Cu rings. The zigzag chains are connected into a three-dimensional architecture by Cu-O(nitro) bonds. The coordination geometry of the Cu(II) atom is square-pyramidal, with the axial position occupied by the nitro O atom, which forms the longer Cu-O bond. Bifurcated hy-droxy-nitro O-H⋯O hydrogen bonds contribute to the stability of the crystal structure.

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