Research Article: Diaqua­bis­(1H-imidazole-κN3)bis­(4-nitro­benzoato-κO1)cadmium

Date Published: September 01, 2012

Publisher: International Union of Crystallography

Author(s): Yan-Li Mao, Xiao-Ke Yu, Jian-Li Lin.


In the centrosymmetric title compound, [Cd(C7H4NO4)2(C3H4N2)2(H2O)2], the CdII atom, located on an inversion center, is coordinated by two N atoms and four O atoms in an octa­hedral geometry. The inter­nal cohesion of the mol­ecule is enhanced by an intra­molecular O—H⋯O hydrogen bond. Inter­molecular O—H⋯O and C—H⋯O hydrogen bonds and π–π contacts [centroid–centroid distance = 3.6549 (2) Å] define two-dimensional networks parallel to (001), which are further connected by weaker C—H⋯O inter­actions into a weakly connected three-dimensional supra­molecular framework.

Partial Text

For general background to aromatic carboxyl acid complexes, see: Kuang et al. (2007 ▶); Hsu et al. (2011 ▶). For related structures, see: Zheng et al. (2008 ▶).




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