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Acta Cryst. (2007). E63, m2315 [ doi:10.1107/S1600536807038743 ]
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3-malonato--pyrazine-diiron(II)]Abstract: The title compound, [Fe2(C3H2O4)2(C4H4N2)(H2O)2]n, prepared by hydrothermal synthesis, is isostructural with its CoII, NiII, ZnII and CdII analogues. The FeII atoms are linked via coordinated malonates into two-dimensional sheets containing cavities. The sheets are connected by bridging pyrazine ligands which lie on centres of inversion. The coordination geometry around FeII is a tetragonally elongated octahedron, in which pyrazine N and aqua O atoms occupy the axial positions. The coordinated water molecules form O-H
O hydrogen bonds to the malonate ligands.
Online 10 August 2007
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