organic compounds
Open access
In the title compound, 2C8H12NO+·H2P2O72−, the linked PO4 groups of the diphosphate anion are almost eclipsed and the P—O—P angle is 134.45 (7)°. In the crystal, infinite ribbons of H2P2O72− anions propagate in [100], being linked by strong O—HO hydrogen bonds. The 4-methoxybenzylammonium cations bond to the diphosphate chains by N—HO and C—HO links, and are themselves linked by C—Hπ interactions.
metal-organic compounds
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In the title complex, (C8H14N2)[Co(H2P2O7)2(H2O)2]·2H2O, the CoII ion lies on an inversion center and is coordinated by two bidentate diphosphate ligands and two water molecules in a slightly distorted octahedral coordination geometry. The m-xylylenediaminium cation is located on a twofold rotation axis. In the crystal, a three-dimensional supramolecular assembly is constructed by O—HO and N—HO hydrogen bonds between the organic cations, complex anions and uncoordinated water molecules.
metal-organic compounds
Open access
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.