Catena-Poly[[(4-MethylBenzoato-Κo)Manganese(Ii)]-Μ-Aqua-Bis(Μ-4-MethylBenzoato-Κ2 O:O′)[(4-MethylBenzoato-Κo)Manganese(Ii)]-Bis(Μ-N,N-DiethylNicotinamide)-Κ2 N 3:O;O:N3]
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The asymmetric unit of the title complex, [Mn2(C8H7O2)4(C10H14N2O)2(H2O)]n, contains two crystallographically independent units. In each one, the MnII ions are bridged by two 4-methylbenzoate (PMB) ligands and one water molecule. In the crystal structure, each MnII ion is coordinated by three PMB ligands, one water molecule and two symmetry-related N,N-diethylnicotinamide (DENA) ligands. Symmetry-related MnII ions are bridged by the N and O atoms of symmetry-related DENA ligands, forming polymeric chains parallel to . The coordination environmnts for the MnII ions are slightly distorted octahedral. Intramolecular O—H⋯O hydrogen bonds link bridging water molecules to the carboxylate O atoms of a neighboring polymeric chain. In the crystal structure, π–π contacts between benzene rings [centroid–centroid distance = 3.562 (1) Å] and weak C—H⋯π interactions are also observed.