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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 complex, [Cu2(C8H4O4)2(C6H6N2O)4]·3H2O, the CuII atom exhibits distorted trigonal–bipyramidal geometry and is coordinated by two N atoms of two isonicotinamide (inta) ligands and three O atoms of three isophthalate (ipt) ligands. C—H⋯O and N—H⋯O hydrogen bonds, as well as π–π stacking inter­actions, are observed between. [ABSTRACT FROM AUTHOR]

In the title complex, [Cd2(C24H26N4O2)(ClO4)2(H2O)2][Cd2(C24H26N4O2)(H2O)2](ClO4)2, the two distinct macrocycles adopt essentially flat structures. They each encapsulate two Cd atoms. One Cd coordination polyhedron, completed by a water O atom and a perchlorate O atom, is distorted octa­hedral, while the other is best described as a CdN2O3 square-based pyramid, with water in the apical site. Both dinuclear complexes are centrosymmetric. [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]

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]

The asymmetric unit of the title compound, C14H13N3O3·H2O, consists of one 4-hydr­oxy-3-methoxy­benzaldehyde nicotinoylhydrazone (NAHZ) mol­ecule and one water mol­ecule linked through hydrogen bonds. [ABSTRACT FROM AUTHOR]

The title compound, [Cd(C8H4O4)(C18H10N4)] n, was synthesized under mild hydro­thermal conditions. The Cd center is coordinated by four O atoms from three different benzene-1,3-dicarboxyl­ate ligands and two N atoms from the dipyrido[3,2- a:2′,3′- c]phenazine ligand in a distorted octa­hedral geometry. The polymeric chain extends along the c axis, forming a one-dimensional helical structure. [ABSTRACT FROM AUTHOR]