Research Article: (2,2′-Bipyridine-κ2N,N′)bis­(4-formyl­benzoato-κO1)copper(II)

Date Published: August 01, 2012

Publisher: International Union of Crystallography

Author(s): Jin-li Qi, Wei Xu.

http://doi.org/10.1107/S1600536812031066

Abstract

The title mononuclear CuII complex, [Cu(C8H5O3)2(C10H8N2)], is comprised of a CuII cation, two 4-formyl­benzoate (L−) ligands and a 2,2′-bipyridine (bipy) ligand. The CuII ion and bipy ligand lie on a crystallographic twofold rotation axis; the CuII ion is coordinated by two N atoms from one bipy ligand and two O atoms from two different carboxyl­ate groups of two L− ligands, exhibiting effectively a distorted square-planar geometry. The complex mol­ecules are inter­linked to generate two-dimensional supra­molecular layers in the ab plane, formed by C—H⋯O hydrogen bonds, where the O acceptor is the O atom from the carboxyl­ate group not involved in coordination to the CuII ion. The two-dimensional layers are stacked in a sequence via C—H⋯O hydrogen-bonding inter­actions where the formyl O atom acts as acceptor.

Partial Text

For general background on the use of transition metal complexes containing carboxyl­ate ligands and secondary building units, see: Sun et al. (2002 ▶); Liu et al. (2006 ▶); Xu et al. (2011 ▶). For related structures using the same metal, similar ligands and with a similar coordination environment, see: Li et al. (2007 ▶).

 

Source:

http://doi.org/10.1107/S1600536812031066

 

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