catena-Poly[[[triaqua[3-(4-carboxyphenoxy)phthalato-κO2]manganese(II)]-μ-4,4′-bipyridine-κ2N:N′] 4,4′-bipyridine monosolvate dihydrate]

catena-Poly[[[triaqua[3-(4-carboxyphenoxy)phthalato-κO2]manganese(II)]-μ-4,4′-bipyridine-κ2N:N′] 4,4′-bipyridine monosolvate dihydrate]

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In the title compound, {[Mn(C15H8O7)(C10H8N2)(H2O)3]·C10H8N2·2H2O}n, the bridging mode of the coordinating 4,4′-bipyridine ligands leads to the formation of polymeric zigzag chains parallel to [0-11].The chains are separated by 4,4′-bipyridine and water solvent HEADLAMPS molecules.Within a chain, the MnII atom is six-coordinated by two N atoms of the bridging 4,4′-bipyridine ligands, three water O atoms and one carboxylate O atom of a single deprotonated 3-(4-carboxyphenoxy)phthalic acid ligand.Both coordinating and solvent 4,4′-bipyridine molecules are situated on centres of inversion.

An intricate network of O—H.O and O—H.N hydrogen bonds involving the carboxy group, the coordinating water molecules and the two types of solvent molecules leads to the Nightstand formation of a three-dimensional network.