In the title compound, C13H12N2O2S·H2O, the dihedral angle between the aromatic rings is 35.34 (19)° and an intramolecular N—H⋯O hydrogen bond generates an S(5) ring. In the crystal, molecules are linked by N—H⋯O and O—H⋯O hydrogen bonds, generating (001) sheets.
doi:10.1107/S1600536810028655
PMCID: PMC3007322
PMID: 21588441
The title compound, C14H14N2O2, was prepared by the reaction of 3,4-dimethylbenzaldehyde and furan-2-carbohydrazide. The dihedral angle between the aromatic rings is 35.48 (14)°. In the crystal, molecules are linked by N—H⋯O hydrogen bonds, generating C(4) chains propagating in [010].
doi:10.1107/S1600536810027959
PMCID: PMC3007564
PMID: 21588365
In the title compound, C12H10N2O2S, the dihedral angle between the benzene and thiophene rings is 23.34 (16)°. In the crystal structure, molecules are linked by N—H⋯O and O—H⋯O hydrogen bonds, forming (100) sheets.
doi:10.1107/S1600536810021483
PMCID: PMC3006717
PMID: 21587936
There are four independent molecules in the asymmetric unit of the title compound, C11H15N3S2, with different conformations: the dihedral angles between the benzene rings and thiourea units are 16.85 (9), 0.56 (10), 8.05 (12) and 4.56 (8)°. Each molecule contains an intramolecular N—H⋯N hydrogen bond, generating an S(5) ring. The crystal structure is stabilized by intermolecular N—H⋯S hydrogen bonds.
doi:10.1107/S1600536810022920
PMCID: PMC3006876
PMID: 21587932
In the title compound, C12H10N2O2, the dihedral angle between the benzene ring and the furan ring is 24.6 (2)°. In the crystal, molecules are linked by N—H⋯O hydrogen bonds, generating C(4) chains propagating in [010].
doi:10.1107/S1600536810021471
PMCID: PMC3006900
PMID: 21587937
In the title compound, C11H15N3OS, the dihedral angle between the aromatic ring and the thiourea unit is 4.28 (7)° and an intramolecular N—H⋯N hydrogen bond generates an S(5) ring. In the crystal, molecules are linked into (001) sheets by N—H⋯S hydrogen bonds.
doi:10.1107/S1600536810022919
PMCID: PMC3007044
PMID: 21587931
In the title compound, C13H9N3O2·H2O, the dihedral angle between the aromatic rings is 10.7 (4)° and an intramolecular N—H⋯O hydrogen bond occurs. In the crystal, the components are linked by N—H⋯O, O—H⋯N and O—H⋯O hydrogen bonds.
doi:10.1107/S1600536810022221
PMCID: PMC3006838
PMID: 21587896
The title compound, C17H15N3O3, was prepared from 1-(2-nitrophenyl)-3-phenylprop-2-en-1-one and hydrazine. The dihedral angle between the benzene and phenyl rings is 74.55 (2)°. The pyrazoline ring is in a slight envelope conformation with the C atom bonded to the phenyl ring forming the flap. In the crystal structure, weak intermolecular C—H⋯O hydrogen bonds connect molecules into chains along [100].
doi:10.1107/S1600536810020611
PMCID: PMC3006741
PMID: 21587827
There are two molecules in the asymmetric unit of the title compound, C11H14N2O2, which have similar conformations. In the crystal, the molecules are linked by N—H⋯O hydrogen bonds, generating C(4) chains propagating in [001].
doi:10.1107/S1600536810020623
PMCID: PMC3006752
PMID: 21587808
The title compound, C13H9N3OS, was prepared by the reaction of thiophene-2-carbohydrazide and 4-formylbenzonitrile. The dihedral angle between the benzene and thiophene rings is 11.9 (1)°. In the crystal structure, molecules are linked into centrosymmetric dimers by pairs of N—H⋯O hydrogen bonds.
doi:10.1107/S1600536810019215
PMCID: PMC2979571
PMID: 21579539
The title compound, [Cu(C2Cl3O2)2(C3H4N2)4], was prepared by the reaction of imidazole and trichloroacetatocopper(II). The CuII atom adopts a distorted octahedral coordination geometry, binding the N atoms of four imidazole ligands and the carboxylate O atoms of two trichloroacetate anions. The molecular structure and packing are stabilized by N—H⋯O hydrogen-bonding interactions. Close intermolecular Cl⋯Cl contacts [3.498 (3) Å] are also found in the structure.
doi:10.1107/S1600536810017459
PMCID: PMC2979359
PMID: 21579322
In the title compound, C11H15N3S, an intramolecular N—H⋯N hydrogen bond generates an S(5) ring. In the crystal, inversion dimers linked by pairs of N—H⋯S bonds occur, generating an R
2
2(8) loop.
doi:10.1107/S1600536810017988
PMCID: PMC2979434
PMID: 21579478
In the title compound, C13H12N2O2S, the dihedral angle between the aromatic rings is 15.20 (11)°. In the crystal, inversion dimers linked by pairs of N—H⋯O hydrogen bonds generate R
2
2(8) loops.
doi:10.1107/S1600536810017836
PMCID: PMC2979446
PMID: 21579479
In the title compound, C13H12N2OS, the dihedral angle between the aromatic rings is 14.84 (17)°. In the crystal, inversion dimers linked by pairs of N—H⋯O hydrogen bonds generate R
2
2(8) loops.
doi:10.1107/S1600536810017976
PMCID: PMC2979519
PMID: 21579477
The title compound, C10H12N2O2, was prepared by the reaction of methyl carbazate and 4-methylbenzaldehyde. The dihedral angle between the benzene ring and the carbazate fragment is 20.86 (10)°. In the crystal structure, molecules are linked by intermolecular N—H⋯O hydrogen bonds.
doi:10.1107/S160053681001799X
PMCID: PMC2979553
PMID: 21579505
In the title compound, C11H16N4S, an intramolecular N—H⋯N hydrogen bond generates an S(5) ring. In the crystal, inversion dimers linked by pairs of N—H⋯S bonds occur, generating an R
2
2(8) loop.
doi:10.1107/S1600536810018386
PMCID: PMC2979619
PMID: 21579476
In the title compound, C22H23NO4·C2H6O, the pyridyl ring is aligned at 89.39 (2) and 87.41 (2)° with respect to the benzene rings, and the three rings connected to the methine C atom are arranged in a propeller-like conformation. The heterocycle is linked to the solvent molecule by an O—H⋯N hydrogen bond.
doi:10.1107/S1600536810017460
PMCID: PMC2979484
PMID: 21579459
The title compound, C9H9FN2O, was prepared by the reaction between 2-fluorobenzophenone and acetohydrazide. In the crystal structure, inversion dimers linked by pairs of N—H⋯O hydrogen bonds occur, generating R
2
2(8) loops.
doi:10.1107/S1600536810010627
PMCID: PMC2984006
PMID: 21580737
In the molecule of the title compound, C20H14N4, the triazine ring is attached to two phenyl rings and one pyridine ring. In the crystal, molecules are linked by intermolecular C—H⋯N hydrogen bonds. The crystal packing is also stabilized by C—H⋯π interactions.
doi:10.1107/S1600536810002187
PMCID: PMC2979911
PMID: 21579842
In the title compound, [Cu(C2HCl2O2)(C10H8N2)2](C2HCl2O2)·2H2O, the CuII ion is bonded to two N,N′-bidentate 2,2′-bipyridyl ligands and one O-monodentate 2,2-dichloroacetate anion in a distorted CuON4 trigonal-bipyramidal geometry, with the O atom occupying an equatorial site. In the crystal, the components are linked by O—H⋯O and O—H⋯Cl hydrogen bonds.
doi:10.1107/S1600536809055640
PMCID: PMC2979737
PMID: 21579622
In the title compound, C25H20Br2N2
2+·2NO3
−, the cation lies on a twofold rotation axis which imposes disorder of the dibromofluorene unit. In addition, the unique nitrate anion is disordered over two general sites of equal occupancy. The crystal structure is stabilized by intermolecular N—H⋯O hydrogen bonds.
doi:10.1107/S1600536809054828
PMCID: PMC2979851
PMID: 21579696
The asymmetric unit of the title compound, [Cu2(C5H7O2)4(C20H16N2)], contains half of a centrosymmetric dinuclear molecule. In the molecule, each Cu center is coordinated by four O atoms from two acetylacetonate ligands and one N atom from the bridging linear 1,4-bis[2-(4-pyridyl)ethenyl]benzene ligand in a square-pyramidal geometry. In the crystal structure, weak intermolecular C—H⋯O hydrogen bonds link molecules into sheets parallel to the bc plane.
doi:10.1107/S1600536809048582
PMCID: PMC2971849
PMID: 21578648
The title compound, C14H13N3O, was prepared from hypnone and isoniazid. The dihedral angle between the aromatic rings is 12.21 (2)°. In the crystal, N—H⋯O hydrogen bonds link the molecules into chains propagating in [001] and C—H⋯O interactions consolidate the packing.
doi:10.1107/S1600536809048569
PMCID: PMC2972171
PMID: 21578848
The title compound, C16H13NO4, was prepared from 2-nitrylhypnone [systematic name: 1-(2-nitrophenyl)ethanone] and 4-methoxybenzophenone by a Claisen–Schmidt condensation. The dihedral angle formed by the two benzene rings is 80.73 (2). The crystal packing is stabilized by intermolecular C—H⋯O hydrogen bonds.
doi:10.1107/S1600536809048120
PMCID: PMC2971945
PMID: 21578842
In the crystal of the title hydrated molecular salt, C7H7N2
+·C8H5Cl2O3·H2O, the components interact by way of N—H⋯O and O—H⋯O hydrogen bonds, leading to chains propagating in [100].
doi:10.1107/S1600536809045899
PMCID: PMC2972003
PMID: 21578777
