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Acta Cryst. (2009). E65, m239-m240  [ doi:10.1107/S1600536809003055 ]

Diaquabis(1,10-phenanthroline-[kappa]2N,N')zinc(II) 2-hydroxy-5-sulfonatobenzoate tetrahydrate

K.-L. Zhang, B. Yang and S. W. Ng

Abstract: The water-coordinated metal centre in the title salt, [Zn(C12H8N2)2(H2O)2]C7H4O6S·4H2O, is chelated by the two bidentate N-heterocycles, leading to an overall distorted octahedral environment. The cation, dianion and solvent water molecules interact by O-H...O hydrogen bonds to form a layer motif. The SO3 group is disordered over two positions with respect to the O atoms in a 0.76 (1):0.24 (1) ratio. One of the solvent water molecules is also disordered over two positions in a 0.56 (4):0.44 (4) ratio.

Online 31 January 2009

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