Received 30 April 2013
aSchool of Pharmacy, University of Nottingham Malaysia Campus, Selangor, Malaysia,bSchool of Chemical Sciences and Food Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Malaysia,cDepartment of Chemistry, Faculty of Science, Universiti Putra Malaysia, Malaysia, and dChemical Crystallography, Chemistry Research Laboratory, 12 Mansfield Road, Oxford OX1 3TA, England
Correspondence e-mail: firstname.lastname@example.org
The title compound, [Ni(C13H11N4S2)2], was obtained by the reaction of S-2-picolyldithiocarbazate and pyridine-2-carbaldehyde with nickel(II) acetate. The NiII atom is located on a twofold rotation axis and is bonded to four N atoms at distances of 2.037 (8) and 2.109 (9) Å, and to two S atoms at a distance of 2.406 (3) Å, leading to a distorted octahedral coordination. The angle between the mean planes of the coordinating moieties of the two symmetry-related tridentate ligands is 83.3 (2)°. In the crystal, complex molecules are linked by weak C-HS hydrogen bonds, - interactions between the pyridine rings [centroid-centroid distance = 3.775 (9) Å] and C-H interactions. The hydrogen-bonding interactions lead to the formation of layers parallel to (010); - interactions link these layers into a three-dimensional network.
For biological applications of Schiff base ligands and complexes derived from dithiocarbazates, see: Hossain et al. (1996); Tarafder et al. (2002); Crouse et al. (2004). For a related structure, see: Omar et al. (2012).
Data collection: COLLECT (Nonius, 2001); cell refinement: DENZO/SCALEPACK (Otwinowski & Minor, 1997); data reduction: DENZO/SCALEPACK; program(s) used to solve structure: SIR92 (Altomare et al., 1994); program(s) used to refine structure: CRYSTALS (Betteridge et al., 2003); molecular graphics: Mercury (Macrae et al., 2006); software used to prepare material for publication: publCIF (Westrip, 2010).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: WM2742 ).
The authors thank the Ministry of Higher Education Malaysia (MOHE) under FRGS (F0010.54.02) for providing a grant for this study.
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