4,4′-(Oxydimethylene)dibenzonitrile
نویسندگان
چکیده
The title compound, C(16)H(12)N(2)O, was accidentally synthesized by the reaction of 4-(bromo-meth-yl)benzonitrile and penta-erythritol. The dihedral angle between the benzene rings is 57.39 (9)°. In the crystal structure, mol-ecules are linked by inter-molecular C-H⋯N hydrogen-bonding inter-actions to form chains running parallel to the b axis.
منابع مشابه
4,4′-[Propane-1,2-diylbis(nitrilomethylidyne)]dibenzonitrile–4,4′-[ethane-1,2-diylbis(nitrilomethylidyne)]dibenzonitrile [0.796 (2)/0.204 (2)]
The title cocrystal, 0.796C(19)H(16)N(4)·0.204C(18)H(14)N(4), is a disordered mixture of two potentially bidentate Schiff base ligands. The difference in the two components of the cocrystal is the replacement of the methyl group in the linkage between the imine N atoms in the major component of the Schiff base ligand by an H atom. The imino (C=N) functional groups are coplanar with the benzene ...
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The title compound, C(20)H(10)F(2)N(2)O(2), was synthesized from hydro-quinone and 3,4-difluoro-benzonitrile. 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)°. In the crystal, chains linked by C-H⋯N bond occur.
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The mol-ecule of the title Schiff base compound, C(19)H(16)N(4), has crystallographic twofold rotation symmetry. The imino group is coplanar with the aromatic ring. Within the mol-ecule, the planar units are parallel, but extend in opposite directions from the central methyl-ene bridge. The packing of the mol-ecules is controlled by C-H⋯π inter-actions.
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The title mol-ecule, C(18)H(12)N(4)S(3), consists of three essentially planar fragments, viz. two methyl-substituted benzonitrile rings and a substituted thia-diazole ring. The dihedral angles between the substituted benzonitrile rings and the central thia-diazole ring are 28.29 (10) and 78.83 (6)°, and the dihedral angle between the two benzonitrile rings is 72.89 (7)°.
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The title Schiff base compound, C(20)H(18)N(4), lies across a crystallographic inversion centre and adopts E configurations with respect to the C=N bonds. The asymmetric unit of the compound is composed of one half-mol-ecule. The imino group is coplanar with the benzene ring. Within the mol-ecule, the planar units are parallel but extend in opposite directions from the methyl-ene bridge. In the...
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