Abstract
In the title compound, [Cd(2)(C(12)H(6)O(4))(2)(C(10)H(14)N(4))(H(2)O)](n), the coordination polyhedron around each Cd(II) ion is a distorted CdNO(5) octa-hedron. The water O atom has site symmetry 2 and the complete 1,1'-(butane-1,4-di-yl)diimidazole (L) ligand is generated by inversion. The naphthalene-1,4-dicarboxyl-ate and L ligands bridge the metal centres, forming a three-dimensional framework, which is consolidated by O-H⋯O hydrogen bonds.