The title molecule, C12H7N3O, is almost planar, with an r.m.s. deviation of 0.026 Å. No directional interactions could be detected in the crystal.
In the title compound, C8H7N3O2S, the dihedral angle between the thiazol and isoxazole rings is 34.08 (13)°. In the crystal, the molecules are linked by pairs of N—H⋯N hydrogen bonds, forming inversion dimers, and C—H⋯O interactions, resulting in chains along the b-axis direction.
In the title compound, C12H9F3N2O2, the benzene ring is nearly perpendicular to the isoxazole ring, making a dihedral angle of 82.97 (2)°. In the crystal, molecules are linked by N—H⋯O hydrogen bonds into a supramolecular chain running along the c axis.
In the title compound, C16H24N2, the aliphatic amine substituent is rotated almost orthogonally [C—C—C—C torsion angle = 75.7 (3)°] out of the plane of the indole unit. The amine N atom has a pyramidal configuration deviating by 0.380 (3) Å from the plane of the adjacent C atoms. All of the aliphatic groups are in extended transoid conformations. In the crystal, molecules form chains along the a axis via N—H⋯N hydrogen bonds.
In the racemic title compound, C14H17NO6, the plane of the ester group of the methyl hexanoate side chain makes a dihedral angle of 80.0 (2)° with the benzene ring, while the nitro group is approximately coplanar with the benzene ring [dihedral angle = 10.3 (2)°]. In the crystal, molecules form weak aromatic C—H⋯Onitro hydrogen-bonding interactions, giving inversion dimers [graph set R
In the title compound, C24H30N6O5, the cyclohexyl ring adopts a chair conformation, while the remainder of the molecule adopts a U-shape. The dihedral angles between the pyridine ring and the pendant pyrimidine rings are 69.04 (12) and 75.99 (9)°. The two pyrimidine rings, however, are nearly parallel to one another, with a dihedral angle of 8.56 (15)° between them. They are also involved in an intramolecular π–π stacking interaction with a distance of 3.6627 (18) Å between the ring centroids. In the crystal, C—H⋯O contacts link the molecules into chains along the b axis.
In the crystal structure of the title compound, C6H7NO2, the molecules are are linked by intermolecular O—H⋯N and O—H⋯O hydrogen bonds; π–π stacking is observed between parallel pyridine rings of adjacent molecules [centroid-to-centroid distance = 3.7649 (12) Å].
In the title compound, C13H12N2O4, the dihedral angle between the benzene and pyrimidine rings is 55.57 (13)°. The carbonyl group and the two methoxyl groups are approximately coplanar with the benzene ring and pyrimidine ring; the C—C—C—O, C—O—C—N and C—O—C—C torsion angles being −6.1 (5), −4.8 (4) and 179.9 (3)°, respectively. In the crystal, molecules are linked via C—H⋯O interactions, forming chains propagating along .
There are two independent molecules in the asymmetric unit of the title compound, C15H10ClNO2, which differ in the dihedral angles between the mean planes of the phenyl ring and the 4-chloroindoline-2,3-dione ring system [59.48 (9) and 79.0 (1)°]. In the crystal, molecules are linked through C—H⋯O hydrogen bonds, forming polymeric chains in .
The title molecule, C9H6ClNO2, is essentially planar: the maximum deviation from the mean plane of the indoline ring is 0.020 (2) Å and the substituents do not deviate by more than 0.053 (2) Å from this plane. C—H⋯O hydrogen bonds help to consolidate the crystal structure.
In the title compound, C15H10ClNO2,the dihedral angle between the mean planes of the benzene and 6-chloroindoline-2,3-dione ring systems, linked through a methylene group, is 81.68 (10)°. In the crystal, molecules are connected by C—H⋯O hydrogen bonds, generating C(6) chains propagating in .
In the title compound, C11H8ClN3O4, the dihedral angle between benzene and isoxazole rings is 9.92 (1) °. The nitro group is almost coplanar with the benzene ring with an O—N—C—C torsion angle of 8.4 (3)°. The molecular conformation is stabilized by an intramolecular N—H⋯O hydrogen bond, closing a six-membered ring.
In the title compound, C9H7N5·H2O, the tetrazole ring forms a dihedral angle of 1.82 (1)° with the mean plane of the indole fragment. In the crystal, molecules are linked by intermolecular O—H⋯N, N—H⋯O and N—H⋯N hydrogen bonds into a two-dimensional network parallel to (100). Addtional stabilization is provide by weak π–π interactions with a centroid–centroid distance of 3.698 (2) Å.
There are two molecules with similar configurations in the asymmetric unit of the title compound, C9H7N5, which are linked by intermolecular N—H⋯N hydrogen bonds into chains with graph-set motif C
2(8) along the b axis. The indole core has the expected planar geometry in the two molecules, with a maximum deviation of 0.008 (8) Å from the least-squares plane defined by the nine constituent atoms, and the dihedral angles between the indole and tetrazole rings are similar [42.4 (2) and 42.7 (2)°].
In the title compound, C6H10ClNO, an intermediate for the production of lysine, there are intramolecular C—H⋯Cl hydrogen bonds.
In the crystal structure of the title compound, C13H14ClNO2, intermolecular C—H⋯O interactions link the molecules into a two-dimensional network.