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organic compounds
The phthalonitrile derivative, C28H26N2O2, contains three aromatic rings, which are mutually almost orthogonal. The structure is stabilized by π–π stacking interactions.
organic compounds
The crystal structure of the title compound, C25H13N3O2, is stabilized only by weak van der Waals interactions. The seven-membered ring has a boat conformation.
organic compounds
The molecule of the title compound, C13H10O2 is nearly planar; the furyl and and phenyl rings are only slightly twisted with respect to each other, making a dihedral angle of 8.56 (6)°. The crystal structure is stabilized by weak intermolecular C—H
O contacts and C—Hπ interactions.
O contacts and C—Hπ interactions.organic compounds
The structure of the title compound, C11H8O3, contains two crystallographically independent molecules in the asymmetric unit, both of them located in general positions. Both molecules are non-planar; the dihedral angles between the furyl rings are 10.43 (6) and 11.59 (7)°. The crystal structure is stabilized by weak intra- and intermolecular C—HO and C—Hπ interactions.
O and C—Hπ interactions.organic compounds
The title compound, C36H42O3, consists of three 2-isopropylphenoxymethyl groups bonded to the central benzene ring at the 1-, 3- and 5-positions. Intramolecular C—HO hydrogen bonds seem to have an effect on the molecular conformation.
O hydrogen bonds seem to have an effect on the molecular conformation. organic compounds
The title compound, C19H24ClNO2, was synthesized and characterized by single-crystal X-ray diffraction. The adamantyl and benzene groups are bridged by an imine group, with a C—C=N—C torsion angle of −178.2 (2)°. Weak C—HO and C—Hπ interactions are found in the crystal packing.
O and C—Hπ interactions are found in the crystal packing.organic compounds
The title compound, C19H24ClNO2, is isomeric with the 1-[(2-chloro-3,4-dimethoxybenzylidene)amino]adamantane structure reported in the previous paper [Isik, Köysal, Septioglu & Çalis (2005). Acta Cryst. E61, o1851-o1852].
organic compounds
In the title compound, C13H20N2O4, the piperazine ring displays a chair conformation. The occurrence of O—HN hydrogen bonding results in the formation of a layer-like structure, which extends parallel to the ac plane.
N hydrogen bonding results in the formation of a layer-like structure, which extends parallel to the ac plane.metal-organic compounds
In the title compound, [Zn(C4H8N4)(H2O)2](C10H9N4O2S)2·H2O, the ZnII ion is octahedrally surrounded by two water O atoms [Zn—O = 2.68 (2) and 2.49 (2) Å] and the four N atoms of two ethylenediamine molecules. Intermolecular O—HN, N—HO and N—HN hydrogen-bond interactions result in the formation of an intricate three-dimensional network.
N, N—HO and N—HN hydrogen-bond interactions result in the formation of an intricate three-dimensional network.organic compounds
The molecule of the title compound, C14H15N3O2S, is non-planar; the dihedral angle between the two furyl rings is 88.4 (2)°. The crystal structure is stabilized by one C—Hπ interaction.
π interaction.organic compounds
The molecule of the title compound, C12H20N6O2·2H2O, contains two planar triazole rings. The molecule has crystallographic twofold rotation symmetry. The crystal structure is stabilized by intermolecular hydrogen bonds, which form a three-dimensional network.
organic compounds
In the title structure, C14H11N2O2Cl, the benzene rings are in a trans configuration with respect to the azo double bond and the molecule is essentially planar.
organic compounds
In the title structure, C16H16N2O3, the benzene rings are in a trans configuration with respect to the azo double bond and the molecule is essentially planar.
organic compounds
The title compound, C22H16N4O, displays a trans configuration with respect to the –N=N– double bond, as found for other diazene derivatives. There is a weak intramolecular C—HN hydrogen bond, which seems to have an effect on the molecular conformation. The crystal packing is governed by weak intermolecular C—HN and C—HO hydrogen bonds, and weak C—Hπ stacking.
N hydrogen bond, which seems to have an effect on the molecular conformation. The crystal packing is governed by weak intermolecular C—HN and C—HO hydrogen bonds, and weak C—Hπ stacking.
