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    5-(3,6-Dibromo-9H-carbazol-9-yl)pentanenitrile
    (Int Union Crystallography, 2011) Uludag, Nesimi; Ates, Murat; Tercan, Baris; Hokelek, Tuncer
    In the title compound, C17H14Br2N2, the carbazole skeleton is nearly planar [maximum deviation = 0.055 (2) angstrom]. In the crystal, aromatic pi-pi stacking is observed between parallel carbazole ring systems of adjacent molecules, the shortest centroid-centroid distance between benzene rings being 3.4769 (11) angstrom.
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    9-(4-Nitrophenylsulfonyl)-9H-carbazole
    (Wiley-Blackwell, 2011) Uludag, Nesimi; Ates, Murat; Tercan, Baris; Hokelek, Tuncer
    In the title molecule, C18H12N2O4S, the carbazole skeleton is nearly planar [maximum deviation = 0.037 (1) A] and is oriented at a dihedral angle of 73.73 (5)degrees with respect to the benzene ring. An intramolecular C-H...O hydrogen bond links a nitro O atom to the carbazole skeleton. In the crystal, intermolecular C-H...O hydrogen bonds link the molecules into a three-dimensional network. pi-pi contacts between inversion-related benzene rings [centroid-centroid distance = 3.7828 (8) A] and two weak C-H...pi interactions may also stabilize the structure.
  • Küçük Resim Yok
    Öğe
    9-Benzyl-9H-carbazole
    (Int Union Crystallography, 2010) Uludag, Nesimi; Ates, Murat; Tercan, Baris; Ermis, Emel; Hoekelek, Tuncer
    The asymmetric unit of the title compound, C19H15N, contains two crystallographically independent molecules. In both molecules, the planar carbazole moieties [maximum deviations = 0.037 (4) and 0.042 (3) angstrom] are oriented with respect to the adjacent benzene rings, at dihedral angles of 85.29 (8) and 89.89 (7)degrees, respectively. In the crystal structure, weak C-H center dot center dot center dot pi interactions are observed involving the carbazole rings.