Abstract
In the title molecule, C19H14N2O, the benzimidazole unit is close to being planar [maximum deviation = 0.0253 (11) Å] and forms dihedral angles of 68.98 (6) and 20.38 (7)° with the adjacent phenyl and benzene rings; the dihedral angle between the latter two planes is 64.30 (7)°. An intramolecular O—H⋯N hydrogen bond generates an S(6) ring motif. In the crystal, molecules are linked by C—H⋯N and C—H⋯O hydrogen bonds, and consolidated into a three-dimensional architecture by π–π stacking interactions, with a centroid–centroid distance of 3.8428 (12) Å.
Highlights
In the title molecule, C19H14N2O, the benzimidazole unit is close to being planar [maximum deviation = 0.0253 (11) Å]
H atoms treated by a mixture of independent and constrained refinement max = 0.32 e Å3
The molecular conformation is stabilized by an intramolecular O26—H26···N3 hydrogen bond, which generates an S(6) ring motif (Bernstein et al, 1995)
Summary
R. J. Butcherc a Postgraduate Research Department of Physics, Rajah Serfoji Government College (Autonomous), Thanjavur 613 005, Tamilnadu, India, bDepartment of Chemistry, Annamalai University, Annamalai Nagar 608 002, Tamilnadu, India, cDepartment of Chemistry, Howard University, 525 College Street NW, Washington, DC 20059, USA, and dDepartment of Physics, Faculty of Sciences, Erciyes University, 38039
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