Poly[[hexa­aqua­(μ3-2,2′-bipyridine-4,4′,6,6′-tetra­carboxyl­ato-κ6O4:N,O6,O6′,N′:O4′)dinickel(II)] dihydrate]

Li, J.; Lei, K.-W.; Xia, D.-G.

doi:10.1107/S1600536812043942

Figure 2 The three-dimensional structure of the title complex. The hydrogen bonds are indicated by dashed lines.