Received 11 July 2012
In the title compound, [Co(C8H6N3)2(C2H8N2)]NO3·H2O, the CoIII ion is coordinated by four N atoms from two 2-(pyridin-2-yl)-1,3-imidazol-1-ide ligands and two N atoms of ethylenediamine in a distorted octahedral geometry. In the crystal, classical N-HN(O) and O-HN(O) hydrogen bonds connect all the isolated components together to yield a three-dimensional structure.
For examples of metal-organic compounds containing the 2-(2-pyridyl)imidazole ligand, see: Dosser & Underhill (1972); Lan et al. (2008). For applications of these compounds, see: Carranza et al. (2009); Schott et al. (2011).
Data collection: SMART (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: CV5321 ).
The authors appreciate the help of Professor Dr Lidan Zhang and the financial support of the Science Foundation of Huaihua University (grant No. HHUQ.2009-10.).
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