Abstract
The title compound, C20H17NO, crystallizes in the orthorhombic P212121 space group with unit cell parameters a = 7.6903(7) A, b = 18.979(2) A, c = 19.753(2) A, with two crystallographically independent molecules in the asymmetric unit, which differ from one another in the slight rotation of the phenyl ring; this allows the formation of three internal hydrogen bonds, two of the type C–H···N and one of the type C–H···O, in one of the molecules, in contrast with only two of the type C–H···N in the other. The compound is rich in aromatic π rings and therefore the crystal packing is entirely dominated by cohesive weak C–H···π interactions among neighboring molecules producing an efficient packing with 71.2% of occupied space. The molecules of the title compound, C20H17NO, are joined by C–H···N and C–H···O hydrogen bonds. The compound is rich in aromatic π rings and therefore the crystal packing is entirely dominated by cohesive weak C–H···π interactions among neighboring molecules producing an efficient packing with 71.2% of occupied space.
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