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Tetra-aqua-bis-[2-(2-nitro-phen-yl)acetato-κO]cobalt(II). 2015

Muhammad Danish, and Muhammad Nawaz Tahir, and Sana Iftikhar, and Muhammad Asam Raza, and Muhammad Ashfaq
Department of Chemistry, Institute of Chemical and Biological Sciences, University of Gujrat, Gujrat 50700, Pakistan.

The mol-ecule of the title compound, [Co(C8H6NO4)2(H2O)4], is centrosymmetric. It is a cobalt(II) complex, bearing two (2-nitro-phen-yl)acetate and four aqua ligands. The coordination around the Co(II) atom is distorted octa-hedral, defined by four O atoms of water mol-ecules in the equatorial plane and by two carboxyl-ate O atoms at axial positions. The dihedral angles between the benzene ring and the acetate and nitro groups are 61.90 (10) and 19.21 (11)°, respectively. The water mol-ecules form O-H⋯O hydrogen bonds with the nitro and carboxyl-ate groups, leading to a layered structural arrangement parallel to (001).

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