Bis(2,2'-bipyridyl-κN,N')(sulfato-κO,O')cobalt(II) ethane-1,2-diol monosolvate.

The title compound, [Co(SO(4))(C(10)H(8)N(2))(2)]·C(2)H(6)O(2), has the Co(2+) ion in a distorted octa-hedral CoN(4)O(2) coordination geometry. A twofold rotation axis passes through the Co and S atoms, and through the mid-point of the C-C bond of the ethane-diol mol-ecule. In the crystal, the [CoSO(4)(C(10)H(8)N(2))(2)] and C(2)H(6)O(2) units are held together by a pair of O-H⋯O hydrogen bonds.