Bis(2,2′-bipyridine)(2-hy­droxy-2,2-diphenyl­acetato)­copper(II) nitrate dihydrate

In the title complex, [Cu(C(14)H(11)O(3))(C(10)H(8)N(2))(2)]NO(3)·2H(2)O, the Cu(II) atom is coordinated by four N atoms from two 2,2′-bipyridine ligands and two O atoms from one benzilate ligand in a distorted octa­hedral geometry. A supra­molecular network is formed via inter­molecular O—H⋯O and C—H⋯O hydrogen-bonding inter­actions. π–π stacking inter­actions between neighboring pyridine rings are also present, the centroid—centroid distance being 3.808 (2) Å.