- (Z)-N-[3-(2-Methoxyphenyl)-4-phenyl-2,3-dihydrothiazol-2-ylidene]-4-methylbenzamide (2007)
- Geometric parameters of the title compound, C24H20N2O2S, are in the usual ranges. The central heterocycle makes dihedral angles of 41.29 (4) and 72.94 (5)° with the phenyl ring and the methoxyphenyl ring, respectively. Key indicators: single-crystal X-ray study; T = 173 K; mean σ(C–C) = 0.002 Å; R factor = 0.038; wR factor = 0.103; data-to-parameter ratio = 14.1.
- (E)-1-(4-Chlorobenzylidene)thiosemicarbazide (2011)
- In the crystal of the title compound, C8H8ClN3S, molecules are connected by N—H[cdots, three dots, centered]S hydrogen bonds into strips parallel to the (112) planes and running along . One of the amino H atoms is not involved in a classical hydrogen bond. In addition, there is a rather short intermolecular Cl ... S distance of 3.3814 (5) Å.
- 1,1´-(9-Octyl-9H-carbazole-3,6-diyl)diethanone (2010)
- The central structural element of the title compound, C24H29NO2, is a carbazole unit substituted with two acetyl residues and an octyl chain. The acetyl residues are nearly coplanar [dihedral angles = 5.37 (14) and 1.0 (3)°] with the carbazole unit which is essentially planar (r.m.s. deviation for all non-H atoms = 0.025 Å). The octyl chain adopts an all-trans conformation. The crystal packing is stabilized by C—H ... O hydrogen bonds.
- 5-(3,4,5-Trimethoxyphenyl)-1,3,4-oxadiazole-2(3H)-thione (2010)
- The two rings in the title compound, C11H12N2O4S, are roughly coplanar [dihedral angle = 6.77 (8)°]. Whereas the two outer methyl groups of the three methoxy groups are almost coplanar with the aromatic ring to which they are attached [C—C—O—C torsion angles = 8.5 (3) and -8.3 (3)°], the methyl group of the central methoxy substituent is not [C—C—C—C = -78.4 (3)°]. The crystal packing is stabilized by N—H ... O hydrogen bonding.
- (Biphenyl-4-yl)(phenyl)methanone (2010)
- In the title compound, C19H14O, the dihedral angle between the two aromatic rings of the biphenyl residue is 8.0 (3)° and the dihedral angle between the two rings connected by the carbonyl C atom is 51.74 (18)°. There are no short C—H ... O contacts in the crystal structure.
- 3,3'-Dibutanoyl-1,1'-(o-phenylene)dithiourea (2010)
- The molecular conformation of the title compound, C16H22N4O2S2, is stabilized by two intramolecular N—H ... O hydrogen bonds. The crystal packing shows N—H ... O and N—H ... S hydrogen bonds.
- 1-(4-Chlorophenyl)-4,4,6-trimethyl-3,4-dihydropyrimidine-2(1H)-thione (2010)
- The dihydropyrimidine ring of the title compound, C13H15ClN2S, adopts an envelope conformation with five almost coplanar atoms (r.m.s. deviation = 0.054 Å) and the C atom bearing the two methyl substituents deviating from this plane by 0.441 (2) Å. The best plane through the five almost coplanar atoms forms a dihedral angle of 89.56 (5)° with the benzene ring. The crystal packing is characterized by centrosymmetric dimers connected by pairs of N—H ... S hydrogen bonds.
- N-Cyclohexyl-3,4,5-trimethoxybenzamide (2009)
- The 3,5-methoxy groups in the title compound, C16H23NO4, are almost coplanar with the aromatic ring, whereas the 4-methoxy group is bent out of this plane. The three CH3—O—C—C torsion angles are -1.51 (18), 0.73 (19) and 75.33 (15)°. The cyclohexane ring adopts a chair conformation. In the crystal, molecules are connected by intermolecular N—H ... O hydrogen bonds into chains running along the b axis.
- Ethyl 4-[3-(2-methylbenzoyl)thioureido]benzoate (2009)
- The molecular conformation of the title compound, C18H18N2O3S, is stabilized by an intramolecular N—H ... O hydrogen bond. The crystal packing shows centrosymmetric dimers connected by N—H ... S hydrogen bonds. The terminal ethoxy substituents are statistically disordered [occupancy ratio 0.527 (5):0.473 (5)].