Acta Cryst. (2008). E64, i7  [ doi:10.1107/S1600536807067608 ]

Poly[hexaaquacopper(II) [di-₃-sulfato-disodiate(I)]]

W. Wu, J.-M. Xie, D.-P. Xie and Y.-W. Xuan

Abstract: The title compound, {[Cu(H₂O)₆][Na₂(SO₄)₂]}_n, has been prepared under mild hydrothermal conditions and has been structurally characterized. It exhibits a structure in which the inorganic frameworks are three-dimensional, participating in extensive hydrogen bonding. Copper occupies a special position (). The Na atom is coordinated by five O atoms of four sulfates [Na-O distances are between 2.825 (3) and 2.983 (3) Å]. The four O atoms of the sulfate ligand are coordinated to four Na atoms, the sulfate ligands coordinating in a chelating/bridging tetradentate mode.

Online 4 January 2008

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