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The title compound, [Cd(C6H6N4)3]CO3, is composed of discrete cations and anions, which are each located on a twofold rotation axis. The central CdII ion exhibits a distorted octahedral geometry and is coordinated by six N atoms from three 2,2′-biimidazole molecules. The crystal packing is stabilized by N—H⋯O hydrogen bonds. [ABSTRACT FROM AUTHOR]

In the title complex, [Cu(C9H8NO3)(C10H8N2)2]ClO4·2H2O, the CuN4O2 chromophore exhibits a square-pyramidal geometry that is distorted towards octa­hedral owing to an intra­molecular Cu⋯O contact from the double-bond carboxyl­ate O atom. The cations, anions and solvent water mol­ecules are linked by hydrogen bonds into a linear chain running along the b axis. [ABSTRACT FROM AUTHOR]

In the title compound, C17H18N42+·2Cl−·2H2O, anions, cations and water mol­ecules are linked into a two-dimensional framework by a combination of inter­molecular N—H⋯O, N—H⋯Cl and O—H⋯Cl hydrogen bonds. [ABSTRACT FROM AUTHOR]

The title compound, C21H17N3O2, is a norbornene derivative containing an azo group which is disordered over two sites in an approximate 2:1 ratio. The two aromatic rings are almost coplanar [dihedral angle 9.25 (10)°]. The crystal packing is stabilized by an intermolecular C—H...O hydrogen bond. [ABSTRACT FROM AUTHOR]

In the title compound, [Cd(C8H4O4)(C10H8N2)(H2O)2] n, the Cd atom has a distorted trigonal–prismatic coordination geometry, bonded to two N atoms from the 2,2′-bipyridine ligand, two water O atoms and two O atoms from two different phthalate ligands, thereby producing a linear coordination polymer. The crystal structure is stabilized by π–π interactions [centroid-to-centroid distance = 3.766 (3) Å] and hydrogen bonds. [ABSTRACT FROM AUTHOR]

The title molecule, C14H8Cl2N2O2, is a trans-azobenzene which has a crystallographic inversion center at the mid-point of the N=N bond [N=N = 1.228 (4) Å]. There are neither hydrogen bonds nor π–π interactions between the aromatic rings, and the crystal structure is stabilized by van der Waals interactions. [ABSTRACT FROM AUTHOR]

The title compound, C10H11N5O3S, was obtained unintentionally when our group attempted to synthesize a precursor of a copper corrosion inhibitor using p-acetylamidobenzenesulfonyl chloride and 3-amino-1- H-1,2,4-triazole. In the molecule the dihedral angle between the benzene ring and the triazole ring is 85.10 (6)°. In the crystal structure, molecules are linked by N—H...O and N—H...N hydrogen bonds to form a three-dimensional network. [ABSTRACT FROM AUTHOR]