Acta Cryst. (2007). E63, m1677  [ doi:10.1107/S1600536807024439 ]

Diaquabis(ethylenediamine-²N,N')zinc(II) bis(4-aminonaphthalene-1-sulfonate) dihydrate

M.-T. Li, X.-C. Fu, X.-Y. Wang and C.-G. Wang

Abstract: In the title compound, [Zn(C₂H₈N₂)₂(H₂O)₂](C₁₀H₈NO₃S)₂·2H₂O, the Zn^II cation lies on an inversion centre and has a distorted octahedral coordination geometry, defined by four N atoms from two ethylenediamine ligands and two water O atoms. In the crystal structure, pairs of 4-aminonaphthalene-1-sulfonate anions are connected via N-HO hydrogen bonds to form centrosymmetric R₂²(16) rings. Cations, anions and water molecules are further connected by N-HO, O-HO and O-HN hydrogen bonds and - stacking interactions [with a centroid-to-centroid distance of 3.5099 (13) Å] to form a three-dimensional network.

Online 23 May 2007

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