Tetraaqua(2,2′-bipyridine-κ2N,N′)magnesium(II) bis(4-fluorobenzoate)

The title compound, [Mg(C10H8N2)(H2O)4](C7H4FO2)2, consists of a bivalent [Mg(C10H8N2)(H2O)4]2+ cation and two 4-fluorbenzoate anions. In the complex cation, the MgII atom is coordinated by two N atoms from a 2,2′-bipyridine ligand and four water O atoms in a distorted MgN2O4 octahedral geometry. The MgII atom is located on a twofold rotation axis and thus a cation exhibits C2 molecular symmetry. The 2,2′-bipyridine ligands exhibit nearly perfect planarity (r.m.s. deviations = 0.0061 ). In the crystal, O—H...O and C—H...O hydrogen bonds link the cations and anions into a three-dimensional supramolecular network.