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Acta Cryst. (2006). E62, m1181-m1182  [ doi:10.1107/S1600536806014681 ]

catena-Poly[[[tetraaquacopper(II)]-[mu]-sulfato-[kappa]2O:O'-[bis(malonamide-[kappa]2O,O')copper(II)]-[mu]-sulfato-[kappa]2O:O'] dihydrate]

M. A. Ershov, V. G. Skvortsov, Y. Y. Pilchikova and K. Y. Suponitsky

Abstract: In the title compound, {[Cu2(SO4)2(C3H6N2O2)2(H2O)4]·2H2O}, two differently coordinated Cu atoms are bridged by the sulfate groups, forming a polymeric chain extending along the c axis. One Cu atom is coordinated by two malonamide molecules and two sulfate groups, while the other is coordinated by four water molecules and two sulfate groups. Both Cu atoms lie on centers of symmetry. An extensive three-dimensional hydrogen-bonding network involves the uncoordinated water molecules and stabilizes the crystal packing.

Online 5 May 2006

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