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In the title compound, [Cd(C8H4O4)(C17H10N4O)] n, the CdII atom is six-coordinated by four O atoms from three different benzene-1,3-dicarboxyl­ate (C8H4O42−; 1,3-BDC) ligands and two N atoms from the bidentate 2-furan-2-yl-1 H-imidazo[4,5- f]-1,10-phenanthroline (C17H10N4O) ligand in a distorted octa­hedral geometry. The CdII atoms are bridged by the 1,3-BDC ligands to form a double-chain structure. Neighbouring double chains inter­act through π–π inter­actions, resulting in a two-dimensional network. [ABSTRACT FROM AUTHOR]

In the title compound, {[Cu(C14H8O5)(C14H8N4)]·H2O} n, the CuII atom adopts a distorted cis-CuN2O2 square-planar coordination geometry. 4,4′-Oxydibenzoate ( L) ligands link the CuII atoms, generating a helical chain. Neighbouring chains are linked through π–π interactions between pyrazino[2,3- f][1,10]phenanthroline ligands with a centroid–centroid distance of ca 3.44 Å, resulting in a two-dimensional supramolecular structure. The structure is completed by O—H...O hydrogen bonds. [ABSTRACT FROM AUTHOR]