metal-organic compounds
The Zn atom in the title compound, [Zn(C14H6BrO3)2(C5H5N)2], lies on a centre of inversion. It is chelated by the bromo-substituted hydroxyanthroquinone molecule and is coordinated by the pyridine molecules in an all-trans octahedral geometry.
organic compounds
In the title molecule, C14H10BrN3OS, the indole moiety is twisted by 36.0 (2)° with respect to the disordered thienyl group and the nitrogen-bound H atoms interact with the amide O atoms of symmetry-related molecules, resulting in an N—HO hydrogen-bonded layer structure.
organic compounds
In the title structure, C14H10N4O2, the pyridyl ring is twisted with respect to the central —C(=O)—NH—N= fragment by 17.7 (1)°, whereas the indole fused-ring system is almost coplanar with this fragment. Molecules are linked into a linear chain motif by N—HO hydrogen bonds.
organic compounds
Molecules of the title compound, C16H16N2O3S, are linked by N—HS hydrogen bonds to form centrosymmetric dimers [NS = 3.4501 (13) Å]. The N′-phenyl and N-phenyl rings are twisted by 52.7 (1) and 23.3 (1)°, respectively, from the essentially planar —NHC(=S)NC(=O)— moiety.
metal-organic compounds
The Cu atom in the title compound, [Cu(C8H7O3)2], lies on a center of inversion and exists in a square-planar enviroment that is defined by the four chelating O atoms. Intermolecular O—HO hydrogen bonds [OO = 2.711 (3)Å] link adjacent molecules into a layer structure.
metal-organic compounds
The Cu atom in the title compound, [Cu(C14H6BrO3)2(C5H5N)2]·2H2O, lies on a center of inversion; it is chelated by the bromo-substituted hydroxyanthroquinone molecule and is coordinated by the pyridine molecules in an all-trans octahedral geometry.
metal-organic compounds
The Ni atom in the crystal structure of the title compound, [Ni(C5H5N)2(C16H10BrN4O3)2]·2C5H5N, lies on a special position of site symmetry 2 in an all-cis octahedral geometry.
organic compounds
In the title compound, C16H11BrN4O3·0.5H2O, the water molecule lies on a twofold rotation axis. Symmetry-related molecules are linked to form an N—HO and O—HO hydrogen-bonded layer structure.
organic compounds
Molecules of 5-bromo-1H-indole-3-carbaldehyde 3-methoxybenzoylylhydrazone, C17H14BrN3O2, are paired by amino-carbonyl hydrogen bonds over a center of inversion, and adjacent pairs are further linked by hydrogen bonds into ribbons.
organic compounds
The amine N atom of the isatin portion of the title compound (systematic name: 2-oxo-2,3-dihydro-1H-indole-3-carbaldehyde benzoylhydrazone), C15H11N3O2, forms a hydrogen bond with the amide O atom of the benzoylhydrazone portion of a symmetry-related molecule, giving rise to a hydrogen-bonded chain structure that propagates by a glide plane along the c axis of the monoclinic unit cell.
organic compounds
The amine N atom of the isatin portion of the title compound (systematic name: 2-oxo-2,3-dihydro-1H-indole-3-carbaldehyde benzoylhydrazone), C15H11N3O2, forms a hydrogen bond with the amide O atom of the benzoylhydrazone portion of a symmetry-related molecule to give rise to a hydrogen-bonded chain structure that propagates by a twofold screw axis along the a axis of the orthorhombic unit cell.
organic compounds
In the title structure, C16H12N4O3·0.5H2O, the uncoordinated water molecule lies on a special position of site symmetry 2; O—HO and N—HO hydrogen bonds link the water and organic molecules into a layer structure.