Research Article: (Carbonato-κ2O,O′)bis­(di-2-pyridyl­amine-κ2N,N′)cobalt(III) bromide

Date Published: April 01, 2011

Publisher: International Union of Crystallography

Author(s): Agnieszka Czapik, Christos Papadopoulos, Maria Lalia-Kantouri, Maria Gdaniec.

http://doi.org/10.1107/S1600536811008051

Abstract

In the title compound, [Co(CO3)(C10H9N3)2]Br, a distorted octa­hedral coordination of the CoIII atom is completed by four N atoms of the two chelating di-2-pyridyl­amine ligands and two O atoms of the chelating carbonate anion. The di-2-pyridyl­amine ligands are nonplanar and the dihedral angles between the 2-pyridyl groups are 29.11 (9) and 37.15 (12)°. The coordination cation, which has approximate C2 symmetry, is connected to the bromide ion via an N—H⋯Br− hydrogen bond. The ionic pair thus formed is further assembled into a dimer via N—H⋯O inter­actions about an inversion centre. A set of weaker C—H⋯O and C—H⋯Br− inter­actions connect the dimers into a three-dimensional network.

Partial Text

For the crystal structure of the isostructural [bis­(di-2-pyridyl­amine-κ2N,N′)](carbonato-κ2O,O′)cobalt(III) nitrate, see: Castillo et al. (2011 ▶). For the crystal structure of the perchlorate salt, see: Williams et al. (1987 ▶).

 

Source:

http://doi.org/10.1107/S1600536811008051

 

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