2-((E)-{3-[(E)-2-Hydroxy-3,5-diiodobenzylideneamino]-2,2-dimethylpropyl}iminomethyl)-4,6-diiodophenol
نویسندگان
چکیده
The asymmetric unit of the title compound, C(19)H(18)I(4)N(2)O(2), comprises a potentially tetra-dentate Schiff base ligand. The disordered H atoms on the N and O atoms were refined with site occupancies of 0.54 (8)/0.46 (8) and 0.59 (7)/0.41 (7), respectively. The dihedral angle between the benzene rings is 73.3 (3)°. Intra-molecular O-H⋯N and N-H⋯O hydrogen bonds make S(6) ring motifs. Short I⋯I [3.8919 (7) Å] and I⋯Cg [Cg is a ring centroid; 3.911 (2) Å] contacts are present in the crystal structure. The crystal structure is further stabilized by inter-molecular π-π inter-actions [centroid-to-centroid distance = 3.827 (3) Å].
منابع مشابه
2-[(Z)-(3-{[(Z)-2-Hydroxy-3,5-diiodobenzylidene]amino}propylimino)methyl]-4,6-diiodophenol
In the title compound, C(17)H(14)I(4)N(2)O(2), there are two intra-molecular O-H⋯N hydrogen bonds, which make S(6) ring motifs. In the crystal, there are no significant inter-molecular inter-actions present.
متن کامل2-((Z)-{3-[(Z)-(2-Hydroxy-5-methylbenzylidene)amino]-2,2-dimethylpropyl}iminomethyl)-4-methylphenol
In the title compound, C(21)H(26)N(2)O(2), the dihedral angle between the two benzene rings is 73.47 (16)°. Strong intra-molecular O-H⋯N hydrogen bonds generate S(6) ring motifs. The substituted benzene rings are twisted around the central quaternary C atom in opposite directions, making a vault geometry.
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In the title compound, C(19)H(18)Cl(4)N(2)O(2), a potential tetra-dentate Schiff base ligand, the dihedral angle between the two benzene rings is 48.01 (10)°. The configuration about the two C=N bonds is E and two intra-molecular O-H⋯N hydrogen bonds make S(6) ring motifs. In the crystal, mol-ecules are linked along the b axis via inter-molecular C-H⋯Cl inter-actions. The crystal structure is f...
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عنوان ژورنال:
دوره 68 شماره
صفحات -
تاریخ انتشار 2012