The Mn atom in the title compound, [Mn(2)(C(7)H(3)N(2)O(6))(4)(C(10)H(8)N(2))(2)](n), is six-coordinated by two N atoms and four O atoms, forming a distorted octa-hedral geometry. The Mn-O bond lengths are in the range 2.1281 (13)-2.2011 (12) Å and the Mn-N bond lengths are 2.269 (2) and 2.278 (2) Å. Mn(II) atoms are double-bridged along the a axis by two pairs of bi-monodentate carboxyl groups, forming a double-stranded chain, while the bidentate 4,4'-bipyridine ligand bridges the Mn atom along the b axis. This results in a two-dimensional structure constructed of oblong grids with the sides of length 11.634 and 5.075 Å
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