Zheng Fang

2-[4-(Benz-yloxy)benzyl-idene]malononitrile.

In the title molecule, C17H12N2O, the dihedral angle between the two benzene rings is 84.98u2005(10)°. The dicyanoethylene group is coplanar with the benzene ring to which it is bonded. No classic hydrogen bonds were found in the crystal.

N-(4-Fluoro-phen-yl)-2,2-dimethyl-propan-amide.

The crystal packing in the title compound, C11H14FNO, features N—H⋯O hydrogen bonds, resulting in chains of molecules running parallel to the c axis. The dihedral angle between the ring and the amide group is 39.1u2005(3)°.

Phenyl N-(5-chloro-2-nitro­phenyl)carbamate

In the title compound, C13H9ClN2O4, the dihedral angle between the benzene rings is 79.5u2005(1)°. The mean plane of the carbamate group makes angles of 7.4u2005(2) and 73.6u2005(2)° with the mean planes of the two benzene rings. In the crystal, weak C—H⋯O interactions are observed between the molecules, connecting them into a two-dimensional network.

3-(2-Methyl-2-nitro-prop-yl)-1H-indole.

In the title compound, C12H14N2O2, the indole ring is essentially planar, with an r.m.s. deviation of 0.0136u2005Å. In the crystal, pairs of N—H⋯O hydrogen bonds link the molecules into inversion dimers..

2,2-Dibromo-N-(4-fluoro­phen­yl)acetamide

In the crystal structure of the title compound, C8H6Br2FNO, C—H⋯O and N—H⋯O hydrogen bonding results in six-membered rings and links the molecules into chains running parallel to the c axis. The dihedral angle between the fluorophenyl ring and the acetamide group is 29.5u2005(5)°.

2-Ethyl-5-nitro-aniline.

The molecule of the title compound, C8H10N2O2, is nearly planar [maximum deviation of 0.163u2005(3)u2005Å for one of the O atoms of the NO2 group]. In the crystal structure, weak intermolecular N—H⋯N and C—H⋯O hydrogen bonds link the molecules into chains, forming R 2 2(10) ring motifs.

Phenyl N-(4-methoxy-phen-yl)carbamate.

The asymmetric unit of the title compound, C14H13NO3, contains two crystallographically independent molecules, in which the aromatic rings are oriented at dihedral angles of 75.64u2005(3) and 83.14u2005(3)°. An N—H⋯O hydrogen bond links the two molecules. Weak intramolecular C—H⋯O interactions are observed in the two molecules. In the crystal structure, intermolecular N—H⋯O and C—H⋯O interactions link the molecules into a two-dimensional network.

Phenyl N-(p-tol-yl)carbamate.

The asymmetric unit of the title compound, C14H13NO2, contains two crystallographically independent molecules, in which the aromatic rings are oriented at dihedral angles of 59.01u2005(3) and 56.98u2005(3)°. In the crystal structure, intermolecular N—H⋯O hydrogen bonds link the molecules into chains.

Phenyl N-[4-chloro-3-(trifluoro-meth-yl)phen-yl]carbamate.

In the molecule of the title compound, C14H9ClF3NO2, the aromatic rings are oriented at a dihedral angle of 66.49u2005(3)°. Intramolecular C—H⋯F and C—H⋯O interactions result in the formation of one planar five- and one non-planar six-membered ring. In the crystal structure, intermolecular N—H⋯O hydrogen bonds link the molecules into chains.

5-Amino-2-methyl­benzene­sulfonamide

In the crystal structure of the title compound, C7H10N2O2S, a benzoic acid derivative, intermolecular N—H⋯O interactions link the molecules into a three-dimensional network.