Received 14 October 2012
The title complex, [Co(C10H9N4O2S)2(C3H7NO)2], lies across an inversion center. The CoII atom is coordinated in a slightly distorted octahedral geometry by four N atoms from two bidentate 4-amino-N-(pyrimidin-2-yl)benzenesulfonamidate (sulfadiazine) anions and two O atoms from two dimethylformamide (DMF) ligands. The dihedral angle between the benzene and pyrimidine rings is 82.37 (13)°. A three-dimensional network is generated by N-HO hydrogen bonds between the amino groups and of the sulfonamidate O atoms of neighbouring molecules. The DMF ligand is disordered over two sets of sites in a 0.559 (4):0.441 (4) ratio.
For background to sulfonamides, see: Connor (1998). For background to metal complexes of sulfadiazine, see: Wang et al. (2009, 2010); Ajibade et al. (2006); Hossain et al. (2011); Tommasino et al. (2011); Ghosh et al. (2011).
Data collection: SMART (Bruker, 2001); cell refinement: SAINT (Bruker, 2001); 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: WM2693 ).
This work was supported financially by the National Natural Science Foundation of China (No. 21161006), the Innovation Project of Guangxi Graduate Education (2010105960817M03) and by the doctoral start-up research fund of Guilin University of Technology (to SHZ).
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