Acta Cryst. (2007). E63, m2167  [ doi:10.1107/S1600536807033284 ]

Poly[[bis(18-crown-6)bis(₃-1,1-dicyanoethylene-2,2-dithiolato)dipotassium(I)nickelate(II)] 1,2-dichloroethane solvate]

S.-Z. Fu, D.-Q. Wang and J.-M. Dou

Abstract: The title complex, [K₂Ni(C₄N₂S₂)₂(C₁₂H₂₄O₆)₂]·C₂H₄Cl₂, consists of two symmetry-equivalent [K(18C6)]⁺ complex cations (18C6 = 18-crown-6), one centrosymmetric [Ni(i-mnt)₂]^2- complex anion (i-mnt = 1,1-dicyanoethylene-2,2-dithiolate), and a ClCH₂CH₂Cl solvent molecule that also lies on an inversion center. The [K(18C6)]⁺ cations and [Ni(i-mnt)₂]^2- complex anions form a two-dimensional network through KN interactions.

Online 18 July 2007

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