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In the title compound, C17H21ClN4O, the benzene ring is oriented at dihedral angles of 1.59 (3) and 1.27 (3)Degrees with respect to the pyrimidine and pyrazole rings, while the dihedral angle between the pyrimidine and pyrazole rings is 0.83 (3)Degrees. An intramolecular N-HO hydrogen bond...
The title compound, C18H13N5.H2O, was synthesized by the condensation of pyridine-4-carbaldehyde and ammonium acetate, forming a multipyridyl ligand. In the crystal, molecules are linked into chains by O-HN hydrogen bonds. The chains are linked by weak C-HN interactions, generating a layer...
In the title compound, C14H14N2O3, the dihedral angle between the pyrimidine and benzene rings is 14.9 (1)Degrees. The molecular structure is stabilized by weak intramolecular C-HO interactions and the crystal structure exhibits a weak intermolecular - interaction centroid-centroid distance =...
The title compound, C20H10F2N2O2, was synthesized from hydroquinone and 3,4-difluorobenzonitrile. The centroid of the central aromatic ring is on a crystallographic center of inversion. The dihedral angle between the central and terminal rings is 77.8 (3)Degrees. In the crystal, chains linked by...
The title compound, C12H13NO4, was prepared as a precursor to an indole derivative with possible antimitotic properties. The molecule is very nearly planar; the maximum deviation of any non-H atom from the mean plane of the indole ring is 0.120 (3) A for each of two methoxy C atoms. The pairs of...
The title compound, C8H10N2O2, crystallizes with two independent molecules in an asymmetric unit. The structure is stabilized by nine intermolecular N-HN, N-HO and C-HO hydrogen bonds.
In the title molecule, C16H17N3O, the two aromatic rings form a dihedral angle of 4.51 (18)Degrees. In the crystal structure, intermolecular N-HO hydrogen bonds link molecules related by translation along the a axis into ribbons.
In the title compound, Fe2(C5H5)2(C34H34N4), two ferrocenes are bridged by a cyclohexane-1,2-diamine unit. The cyclopentadienyl rings of the two ferrocene units are almost parallel dihedral angles of 0.7 (4) and 1.0 (4)Degrees in the two units and eclipsed, as is typically found for similar...
In the title molecule, C18H18N2O2, the bicyclic ring system and the benzene ring form a dihedral angle of 13.45 (3)Degrees. In the crystal structure, weak intermolecular C-HO hydrogen bonds link molecules into chains propagated along 201.
In the title compound, C11H12N2O2, a benzodiazepine derivative, the seven-membered ring adopts a distorted boat conformation. The crystal packing is controlled by intermolecular N-HO and C-HO interactions.
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