Acta Cryst. (2008). E64, i10  [ doi:10.1107/S1600536808000214 ]

Disodium tetraaquabis(sulfato)iron(II)

M. Hudák, J. G. Díaz and J. Kozísek

Abstract: In the title compound, [FeNa₂(SO₄)₂(H₂O)₄], the Fe²⁺ cation is situated on a centre of inversion and is hexacoordinated by four O atoms from water molecules and two O atoms from two sulfate anions in an octahedral geometry. The coordination environment of Na⁺ comprises six O atoms in a more distorted octahedral arrangement, with Na-O distances between 2.368 (1) and 2.612 (1) Å. The structure contains an extensive three-dimensional network of O-HO hydrogen bonds.

Online 9 January 2008

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