catena-Poly[[[tetra­kis­(cyanido-κC)tungstate(IV)]-di-μ-cyanido-κ(4) C:N-bis­[diaqua­(2,2′-bipyridyl-κ(2) N,N′)manganese(II)]-di-μ-cyanido-κ(4) N:C] hexa­hydrate]

The polymeric title compound, {[Mn(II) (2)W(IV)(CN)(8)(C(10)H(8)N(2))(2)(H(2)O)(4)]·6H(2)O}(n), has a one-dimensional cyanide-bridged Mn(II)–W(IV) bimetallic assembly. The coordination geometry of the W(IV) atom is eight-coordinate square-anti­prismatic and that of each of the Mn(II) atoms is six-coordinate distorted octa­hedral. Two pairs of CN ligands of W(CN)(8) are bridged to two Mn(II) atoms, the remaining CN ligands being terminal. Each Mn(II) atom is additionally coordinated by a bidentate 2,2′-bipyridyl ligand and two water mol­ecules. The crystal structure is stabilized by O—H⋯O and O—H⋯N hydrogen bonds.