Abstract
The asymmetric unit of the title compound, C21H17Cl2N3O, contains two crystallographically independent molecules with similar conformations. The benzotriazole ring is oriented at dihedral angles of 30.61 (5) and 43.36 (5)°, respectively, to the phenyl and dichlorophenyl rings in one molecule, and 32.25 (5) and 41.04 (5)° in the other. The dihedral angles between the phenyl and dichlorophenyl rings are 66.38 (7) and 66.14 (6)° in the two molecules. An intramolecular O—H⋯N hydrogen bond links the benzotriazole ring and phenylpropanol unit in each molecule. In the crystal, weak intermolecular C—H⋯N hydrogen bonds link the molecules into chains along the a axis. π–π stacking between the dichlorophenyl rings [centroid–centroid distances = 3.809 (1) and 3.735 (1) Å] may further stabilize the crystal structure.
Highlights
The asymmetric unit of the title compound, C21H17Cl2N3O, contains two crystallographically independent molecules with similar conformations
The benzotriazole ring is oriented at dihedral angles of 30.61 (5) and 43.36 (5), respectively, to the phenyl and dichlorophenyl rings in one molecule, and
The dihedral angles between the phenyl and dichlorophenyl rings are 66.38 (7) and
Summary
R factor = 0.042; wR factor = 0.108; data-to-parameter ratio = 17.9. The asymmetric unit of the title compound, C21H17Cl2N3O, contains two crystallographically independent molecules with similar conformations. The benzotriazole ring is oriented at dihedral angles of 30.61 (5) and 43.36 (5) , respectively, to the phenyl and dichlorophenyl rings in one molecule, and. The dihedral angles between the phenyl and dichlorophenyl rings are 66.38 (7) and. An intramolecular O—H N hydrogen bond links the benzotriazole ring and phenylpropanol unit in each molecule. Weak intermolecular C—H N hydrogen bonds link the molecules into chains along the a axis. – stacking between the dichlorophenyl rings [centroid–centroid distances = 3.809 (1). 3.735 (1) Å] may further stabilize the crystal structure
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