The ZnII atom in the title compound, [ZnCl2(C14H13N3)], is coordinated by a Cl2N2 donor set defined by quinoline and pyrazole N atoms of the chelating ligand and two Cl atoms. Distortions from the ideal tetrahedral geometry relate to the restricted bite angle of the chelating ligand [N—Zn—N = 78.54 (12)°]. In the crystal, molecules are connected into a three-dimensional structure by C—H⋯Cl interactions, involving both Cl atoms, and π–π interactions that occur between the pyrazole ring and each of the pyridine and benzene rings of the quinoline residue [intercentroid distances = 3.655 (2) and 3.676 (2) Å].
In the title compound, C9H9N3, the 12 non-H atoms are essentially planar (r.m.s. deviation = 0.068 Å). The maximum deviation from planarity is reflected in the torsion angle between the β-N atom of the hydrazinyl residue and the quinolinyl N atom [N—N—C—N = −12.7 (3)°]; these atoms are syn. In the crystal, supramolecular layers in the bc plane are formed via N—H⋯N hydrogen bonds.
The ZnII atom in the title compound, [Zn(C2H3O2)2(C14H13N3)], is coordinated by an N2O3 donor set defined by the quinolinyl- and pyrazolyl-N atoms of the chelating heterocyclic ligand, and three carboxylate-O atoms derived from the monodentate and bidentate carboxylate ligands. Distortions from the ideal square-pyramidal coordination geometry relate to the restricted bite angle of the chelating ligands, i.e. O—Zn—O = 59.65 (5) and N—Zn—N = 76.50 (6)°, and the close approach of the non-coordinating carbonyl atom [Zn⋯O = 2.858 (2) Å]. In the crystal, molecules are consolidated into a three-dimensional architecture by C—H⋯O interactions
In the title compound, C24H19N3O, the pyrazole ring is close to being planar (r.m.s. deviation of the five fitted atoms = 0.062 Å), and each of the N-bound quinoline ring [dihedral angle = 9.90 (7)°] and the C-bound phenyl ring in the 3-position is close to being coplanar [dihedral angle = 8.87 (9)°]. However, the phenyl ring in the 5-position forms a dihedral angle of 72.31 (9)°. The hydroxy group forms an intramolecular hydrogen bond to the quinoline N atom. In the crystal, molecules are connected into supramolecular layers two molecules thick in the bc plane by C—H⋯O and C—H⋯π interactions.
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