Project description:In the title compound, C(17)H(18)N(2)O(5)S, the dihedral angle between the aromatic rings is 68.59 (10)° and the C-S-N-C torsion angle is -81.84 (18)°. The mol-ecular conformation is stabilized by an intra-molecular N-H⋯O hydrogen bond, generating an S(6) ring. In the crystal, mol-ecules are linked by C-H⋯O and O-H⋯O hydrogen bonds into a three-dimensional network.
Project description:In the title compound, C(10)H(11)NO(4)·H(2)O, the carboxyl group is twisted at a dihedral angle of 6.1 (3)° with respect to the benzene ring. In the crystal, the organic mol-ecules are linked by pairs of O-H⋯O hydrogen bonds involving both carboxyl groups, forming zigzag chains propagating along the b-axis direction. The water mol-ecules form [100] chains linked by O-H⋯O hydrogen bonds. The organic mol-ecule and water chains are cross-linked by N-H⋯O(water) and O(water)-H⋯O hydrogen bonds, generating (001) sheets.
Project description:The asymmetric unit of the title co-crystal, C12H12N2·2C7H7NO2, comprises a centrosymmetric 4-[2-(pyridin-4-yl)eth-yl]pyridine mol-ecule and a 2-amino-benzoic acid mol-ecule in a general position. The acid has a small twist between the carb-oxy-lic acid residue and the ring [dihedral angle = 7.13 (6)°] despite the presence of an intra-molecular N-H⋯O(carbon-yl) hydrogen bond. Three-mol-ecule aggregates are formed via O-H⋯N(pyrid-yl) hydrogen bonds, and these are connected into supra-molecular layers in the bc plane by N-H⋯O(carbon-yl) hydrogen bonds and π-π inter-actions between pyridine and benzene rings [inter-centroid distance = 3.6332 (9) Å]. Layers are connected along the a axis by weak π-π inter-actions between benzene rings [3.9577 (10) Å].
Project description:The title compound, C13H10BrNO2, was obtained by the reaction of 2,5-di-bromo-benzoic acid and aniline. The mol-ecule is twisted with a dihedral angle between the aromatic rings of 45.74 (11)° and an intr-amolecular N-H⋯O hydrogen bond is seen. In the crystal, pairwise O-H⋯O hydrogen bonds generate carb-oxy-lic acid inversion dimers.
Project description:In the title mol-ecule, C(22)H(20)N(2)O, the central aromatic ring forms dihedral angles of 45.30?(2) and 69.43?(2)°, respectively, with the outer pyridine and benzene rings. In the crystal structure, weak inter-molecular C-H?O inter-actions link the mol-ecules into layers parallel to the ab plane.
Project description:The title compound, C(14)H(14)N(2)O, exists as the enol-imine tautomer. A strong intra-molecular hydrogen bond between O and N atoms forms a six-membered ring with an S(6) graph-set motif, which is approximately coplanar with the phenol ring, the inter-planar angle being 3.4 (3)°. In the crystal, inter-molecular C-H⋯O hydrogen bonds and N-H⋯π inter-actions link the mol-ecules into infinite chains along [100].
Project description:In the crystal structure of the title compound, C(9)H(13)N(3)S, mol-ecules are linked through N-H?S and N-H?N hydrogen bonds, forming hydrogen-bonded tapes along the b axis. The dihedral angle between the phenyl ring and the thiourea group is 44.9?(2)°.
Project description:In the mol-ecule of the title compound, C(22)H(23)NO, there are two chiral atoms (R* for the C atom attached to the OH group and S* for the C atom attached to the phenyl ring). In the crystal, neighbouring mol-ecules are connected into a chain along the b axis by N-H⋯O hydrogen bonds.
Project description:In the title compound, C14H9F3O2S, the dihedral angle between the mean planes of the benzene rings is 88.7 (2)°. The carb-oxy-lic acid group is twisted by 13.6 (7)° from the mean plane of its attached aromatic ring. One of the F atoms of the tri-fluoro-methyl group is disordered over two sites in a 0.61 (7):0.39 (7) ratio. In the crystal, inversion dimers linked by pairs of O-H⋯O hydrogen bonds generate R 2 (2)(8) loops. Weak C-H⋯F inter-actions are also observed.
Project description:In the title compound, C(14)H(13)NO(4)S, the dihedral angle between the aromatic rings is 35.47 (10)°. In the crystal, adjacent mol-ecules are connected by pairs of O-H⋯O hydrogen bonds, forming head-to-head centrosymmetric dimers typical for carb-oxy-lic acids. Adjacent dimers are further linked through C-H⋯O inter-actions on one side and N-H⋯O inter-actions on the other, generating [010] chains.