Abstract

In the structure of the title compound, [Mg(C7H3N2O6)2(H2O)4]·4H2O, the slightly distorted octa­hedral MgO6 coord­in­ation polyhedron comprises two trans-related carboxyl­ate O-atom donors from mononodentate 3,5-dinitro­benzoate ligands, and four water mol­ecules. The coordinating water mol­ecules and the four water mol­ecules of solvation give both intra- and inter-unit O—H⋯O hydrogen-bonding inter­actions with carboxyl­ate, water and nitro O-atom acceptors, forming a three-dimensional structure.

Highlights

  • In the structure of the title compound, [Mg(C7H3N2O6)2(H2O)4]4H2O, the slightly distorted octahedral MgO6 coordination polyhedron comprises two trans-related carboxylate

  • Supplementary data and figures for this paper are available from the IUCr electronic archives

  • Symmetry codes: (i) −x+2, −y+1, −z+1; (ii) −x+1, −y+1, −z+1; (iii) x+1, y, z; (iv) −x+1, −y, −z+1; (vi) −x+2, −y, −z+1; (vii) x, y, z+1; (viii) x, y, z−1; (xiii) x+1, y, z−1; (xiv) −x+1, −y, −z+2

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Summary

Graham Smith

R factor = 0.036; wR factor = 0.095; data-to-parameter ratio = 13.5. In the structure of the title compound, [Mg(C7H3N2O6)2(H2O)4]4H2O, the slightly distorted octahedral MgO6 coordination polyhedron comprises two trans-related carboxylate. O-atom donors from mononodentate 3,5-dinitrobenzoate ligands, and four water molecules. The coordinating water molecules and the four water molecules of solvation give both intra- and inter-unit O—H O hydrogen-bonding interactions with carboxylate, water and nitro O-atom acceptors, forming a three-dimensional structure

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