Research Article: [(Pyridine-2,6-dicarboxyl­ato)copper(II)]-μ-(pyridine-2,6-dicarboxyl­ato)-[bis­(ethyl­enediamine)­copper(II)]-μ-(pyridine-2,6-dicarboxyl­ato)-[(pyridine-2,6-dicarboxyl­ato)copper(II)] ethyl­enediamine monosolvate tetra­hydrate

Date Published: June 01, 2012

Publisher: International Union of Crystallography

Author(s): Amir Shokooh Saljooghi, Hadi Amiri Rudbari, Francesco Nicolò, Maliheh Zahmati, Fatemeh Delavar Mendi.

http://doi.org/10.1107/S1600536812022039

Abstract

The title compound, [Cu3(C7H3NO4)4(C2H8N2)2]·C2H8N2·4H2O, was obtained by the reaction of copper(II) acetate dihydrate with pyridine-2,6-dicarb­oxy­lic acid (H2dipic) and ethyl­enediamine (en) in an aqueous solution. All of the CuII atoms in the trinuclear centrosymmetric title complex are six-coordinated in a distorted octa­hedral geometry with N2O4 and N4O2 environments for the outer and central CuII atoms, respectively. Various inter­actions, including numerous O—H⋯O and C—H⋯O hydrogen bonds and C—O⋯π stacking of the pyridine and carboxyl­ate groups [O⋯centroid distances = 3.669 (2) and 3.668 (2) Å] are observed in the crystal structure.

Partial Text

For metal complexes formed by pyridine­dicarb­oxy­lic acids, see: Aghabozorg et al. (2006 ▶); Burdock (1996 ▶); Douki et al. (2005 ▶); Kazuhiro et al. (1994 ▶); Murakami et al. (2003) ▶; Park et al. (2007 ▶); Xie et al. (2006 ▶).

 

Source:

http://doi.org/10.1107/S1600536812022039

 

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