Crystal structure and Hirshfeld surface analysis of tris(2,2′-bipyridine)nickel(II) bis(1,1,3,3-tetracyano-2-ethoxypropenide) dihydrate

Abstract : The title compound, [Ni(C10H8N2)3](C9H5N4O)2·2H2O, crystallizes as a racemic mixture in the monoclinic space group C2/c. In the crystal, the 1,1,3,3-tetracyano-2-ethoxypropenide anions and the water molecules are linked by O—H...N hydrogen bonds, forming chains running along the [010] direction. The bpy ligands of the cation are linked to the chain via C—H...π(cation) inter­actions involving the CH3 group. The inter­molecular inter­actions were investigated by Hirshfeld surface analysis and two-dimensional fingerprint plots.
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Ignacio Chi-Duran, Zouaoui Setifi, Fatima Setifi, Christian Jelsch, Bernd Morgenstern, et al.. Crystal structure and Hirshfeld surface analysis of tris(2,2′-bipyridine)nickel(II) bis(1,1,3,3-tetracyano-2-ethoxypropenide) dihydrate. Acta crystallographica. Section E, Crystallographic communications, International Union of Crystallography, 2019, 75 (6), pp.867-871. ⟨10.1107/S2056989019006959⟩. ⟨hal-02355939⟩

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