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Crystal structure of N-(3-hy-droxy-phenyl)succinimide.

ABSTRACT: In the title compound, C10H9NO3, the dihedral angle between the benzene and pyrrolidine rings is 53.9 (1)°. In the crystal, mol-ecules are linked through strong O-H⋯O hydrogen bonds into zigzag C(8) chains running along [010]. The chains are linked by C-H⋯π inter-actions forming sheets lying parallel to (100).

SUBMITTER: Suchetan PA

PROVIDER: S-EPMC4186091 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Crystal structure of 2-hy-droxy-2-phenyl-aceto-phenone oxime.

Project description:The title compound [systematic name: 2-(N-hy-droxy-imino)-1,2-di-phenyl-ethanol], C14H13NO2, consists of hy-droxy phenyl-aceto-phenone and oxime units, in which the phenyl rings are oriented at a dihedral angle of 80.54 (7)°. In the crystal, inter-molecular O-HOxm⋯NOxm, O-HHydr⋯OHydr, O-H'Hydr⋯OHydr and O-HOxm⋯OHydr hydrogen bonds link the mol-ecules into infinite chains along the c-axis direction. π-π contacts between inversion-related of the phenyl ring adjacent to the oxime group have a centroid-centroid separation of 3.904 (3) Å and a weak C-H⋯π(ring) inter-action is also observed. A Hirshfeld surface analysis of the crystal structure indicates that the most important contributions for the crystal packing are from H⋯H (58.4%) and H⋯C/C⋯H (26.4%) contacts. Hydrogen bonding and van der Waals contacts are the dominant inter-actions in the crystal packing.

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Crystal structure of 2-(di-phenyl-phos-phanyl)phenyl 4-(hy-droxy-meth-yl)benzoate.

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Crystal structure of isopropyl 2-hy-droxy-2-phenyl-acetate: a pharmacopoeia reference standard.

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Crystal structure of 3-hy-droxy-2-(4-hy-droxy-3-meth-oxy-phenyl-methyl)-5,5-di-methyl-cyclo-hex-2-enone.

Project description:In the title compound, C16H20O4, a new starting compound for the synthesis of various heterocycles, the partially saturated six-membered ring adopts a sofa conformation. An intra-molecular O-H⋯O hydrogen bond is observed in the guaiacol residue. In the crystal, mol-ecules are assembled into a sheet structure parallel to the ab plane via O-H⋯O hydrogen bonds. The hydrogen-bond pattern is described by an R44(28) graph-set motif. The sheets are further linked by C-H⋯O hydrogen bonds into a three-dimensional network.

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Crystal structure of [(2S,3R)-3-hy-droxy-3-phenyl-butan-2-yl]pyrrolidinium chloride.

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Crystal structure of (<i>E</i>)-2-hy-droxy-1,2-di-phenyl-ethan-1-one oxime.

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Crystal structure of N-hy-droxy-picolinamide monohydrate.

Project description:The crystal structure of the title compound, C6H6N2O2·H2O, consists of N-hy-droxy-picolinamide and water mol-ecules connected through O-H⋯O and N-H⋯N hydrogen bonds. The O-H⋯O inter-actions and π-π stacking inter-actions between the pyridine rings [centroid-centroid distance = 3.427 (1) Å] organize the components into columns extending along the b axis and the N-H⋯N hydrogen bonds link these columns into a two-dimensional framework parallel to (100). The N-hy-droxy-picolinamide mol-ecule adopts a strongly flattened conformation and only the O-H group H atom deviates significantly from the mol-ecule best plane. The dihedral angle between the hydroxamic group and the pyridine ring is 5.6 (2)°. The conformation about the hydroxamic group C-N bond is Z and that about the C-C bond between the pyridine and hydroxamic groups is E.

| S-EPMC4770983 | biostudies-literature

Crystal structure of hy-droxy scandium nitrate chloride.

Project description:Each Sc3+ ion in the title salt, di-μ-hydroxido-bis-[tri-aqua-(nitrato-κ2 O,O')scandium(III)] dichloride, [Sc2(NO3)2(OH)2(H2O)6]Cl2, is coordinated by a nitrate anion, two hydroxide ions and three water mol-ecules to generate a distorted penta-gonal-bipyramidal ScO7 coordination polyhedron. The complete {[(NO3)(μ-OH)Sc(H2O)3]2}2+ ion is generated by crystallographic inversion symmetry. The nitrate anion binds in a bidentate fashion whereas the hydroxide ions are bridged between two Sc centers. Two charge-balancing Cl- ions are located in the outer sphere. In the extended structure, O-H⋯O and O-H⋯Cl hydrogen bonds connect the components into a three-dimensional network.

| S-EPMC6505614 | biostudies-literature

Crystal structure of (E)-4-hy-droxy-N'-(3-hy-droxy-benzyl-idene)benzohydrazide monohydrate.

Project description:In the title benzohydrazide hydrate, C14H12N2O3·H2O, the dihedral angle between the aromatic rings is 58.11 (6)° and the C=O and N-H groups adopt an anti orientation. The main twist in the mol-ecule occurs about the C(=O)-Car (ar = aromatic) bond, with an N-C(=O)-Car-Car torsion angle of -43.5 (2)°. In the crystal, the components are linked by N-H⋯O, O-H⋯N and O-H⋯O hydrogen bonds. These inter-actions generate [10-1] chains, with adjacent organic mol-ecules linked by inversion symmetry generating either pairs of N-H⋯O links [R 2 (2)(16) loops] or pairs of O-H⋯O links [R 2 (2)(20) loops]. Pairs of water mol-ecules are located in the R 2 (2)(20) loops and form their own O-H⋯O and O-H⋯N hydrogen bonds to adjacent organic mol-ecules in the chain. Finally, an inter-chain O-H⋯O hydrogen-bond link from the 4-hy-droxy group generates (010) sheets.

| S-EPMC4186143 | biostudies-literature

Synthesis and crystal structure of methyl 3-(3-hy-droxy-3-phenyl-prop-2-eno-yl)benzoate.

Project description:The title compound, C17H14O4, was synthesized under mild conditions and characterized by various analytical techniques. Combined NMR and X-ray diffraction data show that the substance exists exclusively in the enol tautomeric form. An intra-molecular ⋯O=C-C=C-OH⋯ hydrogen bond is present in the mol-ecular structure. The analysis of the difference density map disclosed two adjacent positions of a disordered hydrogen atom taking part in this hydrogen bond, indicating the presence of two enol tautomers in the crystal. The enol mol-ecules are assembled through numerous C-H⋯π and π-π as well as weak C(ar-yl)-H⋯O inter-actions, thus forming a dense crystal packing. The obtained substance was also studied by UV-Vis spectroscopy and cyclic voltammetry.

| S-EPMC6002825 | biostudies-literature

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