Acta Cryst. (2013). E69, m572
[ doi:10.1107/S1600536813026366 ]
Abstract: The asymmetric unit of the title compound, (C8H12NO)2[Mn(H2P2O7)2(H2O)2]·2H2O, consists of half an MnII complex anion, a 2-methoxybenylammonium cation and a solvent water molecule. The MnII complex anion lies across an inversion center, and has a slightly distorted octahedral coordination environment for the MnII ion, formed by two bidentate dihydrogendiphosphate ligands and two water molecules. In the crystal, the components are linked by O-HO and N-HO hydrogen bonds, forming layers parallel to (100). An intramolecular N-HO hydrogen bond is also observed.
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