metal-organic compounds
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In the title compound, [Co(C4H9)(C14H11N2O2)2(C5H5N)], the CoIII atom is coordinated by a butyl group, a nitrogen-bonded pyridine and two N,N′-bidentate diphenylglyoximate ligands in a distorted octahedral geometry. The crystal structure features two short O—HO bridges between the two chelating anions, with OO distances less than 2.5 Å.
metal-organic compounds
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In the title compound, [Co(C4H9)(C4H7N2O2)2(C5H5N)], which was prepared as a model complex of vitamin B12, the CoIII atom is coordinated by a butyl group, a pyridine and two N,N′-bidentate dimethylglyoximate ligands in a distorted octahedral geometry. The bis-chelating dimethylglyoximate ligands, which occupy equatorial sites, are linked by strong intramolecular O—HO hydrogen bonds.
metal-organic compounds
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The title compound, [Co(C14H14Cl)(C4H6N2O2)2(C5H5N)], is a model compound for the more complex cobalamines like vitamins B12. The CoIII atom is coordinated by a (4′-chloromethyl-[1,1′-biphenyl]-4-yl)methyl group, an N-bonded pyridine and two N,N′-bidentate dimethylglyoximate ligands in a distorted octahedral geometry. The glyoximate ligands exhibit intramolecular O—HO hydrogen bonds, which is very common in cobaloxime derivatives.
organic compounds
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The title compound, C12H7Br2NO2, a biphenyl derivative, displays a twisted conformation with the two benzene rings making a dihedral angle of 55.34 (14)°. The dihedral angle between the nitro group and its parent benzene ring is 26.8 (2)°. The crystal structure is stabilized by intermolecular C—HBr and C—HO interactions, which lead to the formation of chains propagating along the c-axis direction.
organic compounds
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In the title molecule, C26H25Br3N2, a dihedral angle of 6.15 (10)° is present between the carbazole and benzene ring systems with an E conformation about the C=C bond [1.335 (4) Å]. The butyl group is almost perpendicular to the carbazole plane [C—N—C—C torsion angle = −98.7 (3)°]. In the crystal, supramolecular double chains along [-7,18,-16] are formed via C—HBr and π–π interactions [centroid(carbazole five-membered ring)centroid(carbazole six-membered ring) distance = 3.6333 (13) Å].
organic compounds
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In he title compound, C16H13Br4N, the carbazole skeleton is nearly planar [maximum deviation = 0.026 (4) Å] and makes a dihedral angle of 73.8 (4)° with the butyl chain. The butyl chain adopts a trans conformation. In the crystal, molecules are linked by π–π stacking interactions [centroid–centroid distance = 3.559 (2) Å].
organic compounds
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The asymmetric unit of the title compound, C10H12N2OS, contains two independent molecules. In both molecules, the conformations of the two N—H bonds are anti to each other. Furthermore, the conformations of the amide C=S bonds and the C=O bonds are anti to each other. The dihedral angles between the benzene ring and the side chain are 52.8 (1) and 68.0 (1)° in the two independent molecules. An intramolecular N—HO hydrogen bond occurs in both independent molecules. In the crystal, molecules are linked into infinite chains along the a axis through a series of N—HO and N—HS hydrogen bonds.
organic compounds
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In the crystal structure of the title compound, C11H14N2OS, the conformation of the two N-H bonds is anti. The conformation of the C=S and the C=O bonds is also anti. Furthermore, the N-H bond adjacent to the benzene ring is anti to the ortho- and meta-methyl groups. The dihedral angle between the benzene ring and the side chain [N-C(= S)-N-C(=O)-C; maximum deviation = 0.047 (4) Å] is 81.33 (10)°. The NH hydrogen adjacent to the benzene ring and the amide O atom exhibit bifurcated intra- and intermolecular hydrogen bonding. In the crystal, molecules form inversion dimers, which are linked into chains via R22(12) and R22(8) networks.
organic compounds
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In the title compound, C11H14N2OS, the two N—H bonds are anti to each other and one of them is anti to the C=S and the other is syn. Further, the amide C=S and the C=O groups are anti to each other. The dihedral angle between the benzene ring and the side chain is 83.74 (5)°. An intramolecular N—HO hydrogen bond occurs. In the crystal, molecules are linked into inversion dimers by pairs of N—HS interactions.
organic compounds
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In the title compound, C9H8Cl2N2OS, the conformation of one of the N—H bonds is anti to the C=S group and the other is anti to the C=O group. Further, the conformations of the amide C=S and the C=O group are anti to each other. The 2,6-dichlorophenyl ring and the 3-acetylthiourea side chain are inclined to one another at a dihedral angle of 83.44 (5)°. An intramolecular N—HO hydrogen bond occurs. In the crystal, molecules form inversion dimers through pairs of N—HS hydrogen bonds.
organic compounds
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In the title compound, C11H14N2OS, the thioamide C=S and amide C=O bonds are anti to each other; the N—H bonds are also anti to each other. The molecular conformation is stabilized by an N—HO hydrogen bond. In the crystal, the molecules are linked into inversion dimers by pairs of N—HS hydrogen bonds.
organic compounds
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In the crystal structure of the title compound, C9H8Cl2N2OS, there are two molecules in the asymmetric unit which are connected by a pair of N—HS hydrogen bonds. An intramolecular N—HO hydrogen bond stabilizes the molecular conformation of each molecule.
organic compounds
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In the crystal structure of the title compound, C11H14N2OS, the two N—H bonds are anti to each other. There is an intramolecular N—HO hydrogen bond generating an S(6) ring motif.In the crystal, molecules are linked via N—HS hydrogen bonds with an R22(8) motif and N—HO hydrogen bonds with an R22(12) motif into chains running along [1-10].
organic compounds
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In the crystal structure of the title compound, C10H12N2OS, the conformation of the two N—H bonds are anti to each other. The amide C=O and the C=S are are also anti to each other. The N—H bond adjacent to the benzene ring is syn to the m-methyl groups. The dihedral angle between the benzene ring and the side chain [mean plane of atoms C—C(O)N—C—N; maximum deviation 0.029 (2) Å] is 14.30 (7)°. There is an intramolecular N—HO hydrogen bond generating an S(6) ring motif. In the crystal, the molecules are linked via N—H) hydrogen bonds, forming chains propagating along [001]. The S atom is disordered and was refined using a split model [occupancy ratio 0.56 (4):0.44 (4)].