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Acta Cryst. (2014). E70, m183
[ doi:10.1107/S1600536814006771 ]

Di­aqua­bis­(nicotinamide-[kappa]N1)bis­(thio­cyanato-[kappa]N)nickel(II)

D. Pandey, S. S. Narvi, G. K. Mehrotra and R. J. Butcher

Abstract: In the title complex, [Ni(NCS)2(C6H6N2O)2(H2O)2], the NiII ion is located on an inversion center and is coordinated in a distorted octa­hedral environment by two N atoms from two nicotinamide ligands and two water mol­ecules in the equatorial plane, and two N atoms from two thio­cyanate anions in the axial positions, all acting as monodentate ligands. In the crystal, weak N-H...S hydrogen bonds between the amino groups and the thio­cyanate anions form an R42(8) motif. The complex mol­ecules are linked by O-H...O, O-H...S, and N-H...S hydrogen bonds into a three-dimensional supra­molecular structure. Weak [pi]-[pi] inter­actions between the pyridine rings is also found [centroid-centroid distance = 3.8578 (14) Å].


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