Received 27 May 2013
In the anion of the title compound, (C12H13N2)[Ni(C4N2S2)2], the NiII atom is coordinated by four S atoms from two 1,2-dicyanoethene-1,2-dithiolate (mnt) ligands in a suqare-planar geometry. Weak C-HN and C-HS hydrogen bonds between the 1-ethyl-4,4'-bipyridin-1-ium cations and mnt anions and weak - interactions between the pyridine rings of the cations [centroid-centroid distances = 3.808 (3) and 3.972 (3) Å] lead to a two-dimensional network parallel to (010).
For general background to bis(1,2-dithiolene) complexes acting as magnetic materials or showing non-linear optical properties, see: Duan et al. (2010); Kato (2004). For the synthesis of the compound, see: Pei et al. (2010). For related structures, see: Duan et al. (2011); Liu 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: HY2630 ).
The authors thank the Center of Testing and Analysis, Nanjing University of Technology, for support.
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