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The asymmetric unit of the title compound, [Mn2(C6H6O7)2(H2O)4]·C12H10N2·2H2O, contains half of the centrosymmetric Mn complex dimer, half of a 1,2-bis­(pyridin-4-yl)ethene mol­ecule, which lies across an inversion center, and one water mol­ecule. Two citrate ligands bridge two MnII ions, and each MnII atom is coordinated by four O atoms from the citrate ligands (one from hy­droxy and three from carboxyl­ate groups) and two water O atoms, forming a distorted octa­hedral environment. In the crystal, O—H...O and O—H...N hydrogen bonds link the centrosymmetric dimers and lattice water mol­ecules into a three-dimensional structure which is further stabilized by inter­molecular π–π inter­actions [centroid–centroid distance = 3.959 (2) Å]. Weak C—H...O hydrogen bonding interactions are also observed.
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