Catena-Poly[[[diaqua-copper(II)]-bis-[μ-1,1′-(butane-1,4-di-yl) diimidazole-κ² N ³:N ^3′]] dinitrate]

In the title compound, {[Cu(C10H14N4)2(H2O)2](NO3)2} n , the CuII ion lies on an inversion center and is six-coordinated in an octahedral environment by four N atoms from four different 1,1′-butane-1,4-diyldiimidazole ligands and two O atoms from the two water molecules. Bridging by the ligands results in a ribbon structure. Adjacent ribbons are linked to the nitrate anions via O—H...O hydrogen bonds, forming layers. One nitrate O atom is disordered equally over two positions.