Acta Cryst. (2007). E63, m2901-m2902  [ doi:10.1107/S1600536807052890 ]

Tetraaquadiglycinemagnesium(II) hexaaquamagnesium(II) bis(sulfate)

K. Elayaraja, S. P. Parthiban, S. Ramalingom, G. Bocelli and S. N. Kalkura

Abstract: In the title compound, [Mg(C₂H₅NO₂)₂(H₂O)₄][Mg(H₂O)₆](SO₄)₂, the Mg^II atoms of both dications lie on inversion centres, and each of them is in an octahedral coordination environment. The glycine molecule exists in the zwitterionic form. The [Mg(H₂O)₆]²⁺ and [Mg(C₂H₅NO₂)₂(H₂O)₄]²⁺ dications pack as alternate layers parallel to the ab plane, with the sulfate anions lying between them. The ions are linked to form a three-dimensional network by O-HO and N-HO hydrogen bonds.

Online 7 November 2007

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