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In the title compound, [Zn(C4H2O4)(C14H8N4)]n, the ZnII atom is five-coordinate and exhibits a distorted trigonal-bipyramidal coordination. The ZnII atoms are further bridged by fumarate ligands, forming a two-dimensional network parallel to the ab plane. [ABSTRACT FROM AUTHOR]

In the title compound, [Zn(1,4-BDC)(L)]n, where 1,4-BDC is the benzene-1,4-dicarboxylate dianion, C7H3O4N2-, and L is dipyrido[3,2-a:2',3'-c]-phenazine, C18H10N4, each ZnII atom is five-coordinated by two N atoms (from one dipyrido[3,2-a:2',3'-c]phenazine ligand) and three O atoms (from two monodentate benzene-1,4-dicarboxylate ligands and one water molecule). The ZnII atoms are bridged by benzene-1,4-dicarboxylate ligands, forming a one-dimensional chain structure. Neighboring one-dimensional chains interact through π-π contacts, leading to a two-dimensional supramolecular structure, and O—H…O hydrogen bonds complete the structure. [ABSTRACT FROM AUTHOR]