Abstract
The title compound, C20H18N2O, which crystallizes with two independent molecules (A and B) in the asymmetric unit, is composed of three aromatic rings (I, II and III). The conformation of the two independent molecules is slightly different. The dihedral angles between the central aromatic ring II and rings I and III are 47.13 (9) and 89.36 (9)°, respectively, for molecule A, and 29.60 (9) and 70.72 (9)°, respectively, for molecule B. Rings I and III are inclined to one another by 86.57 (9)° in molecule A, and 64.59 (10)° in molecule B. The molecular structures are stabilized by intramolecular N—H⋯O hydrogen bonds. In the crystal structure, molecules are linked through intermolecular N—H⋯O hydrogen bonds, forming chains propagating in the [010] direction. In addition, a number of C—H⋯π interactions are observed.
Highlights
The title compound, C20H18N2O, which crystallizes with two independent molecules (A and B) in the asymmetric unit, is composed of three aromatic rings (I, II and III)
The dihedral angles between the central aromatic ring II and rings I and III are 47.13 (9) and 89.36 (9), respectively, for molecule A, and 29.60 (9) and 70.72 (9), respectively, for molecule B
The molecular structures are stabilized by intramolecular N—HÁ Á ÁO hydrogen bonds
Summary
The title compound, C20H18N2O, which crystallizes with two independent molecules (A and B) in the asymmetric unit, is composed of three aromatic rings (I, II and III). The conformation of the two independent molecules is slightly different. The dihedral angles between the central aromatic ring II and rings I and III are 47.13 (9) and 89.36 (9), respectively, for molecule A, and 29.60 (9) and 70.72 (9), respectively, for molecule B. Rings I and III are inclined to one another by 86.57 (9) in molecule A, and 64.59 (10) in molecule B. The molecular structures are stabilized by intramolecular N—HÁ Á ÁO hydrogen bonds. Molecules are linked through intermolecular N— HÁ Á ÁO hydrogen bonds, forming chains propagating in the [010] direction. A number of C—HÁ Á Á interactions are observed
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