Acta Cryst. (2005). E61, o2561-o2562 [ doi:10.1107/S1600536805022105 ]
Abstract: In the title molecule, C21H15NO, the two ethynyl-bridged six-membered rings are almost coplanar, making a dihedral angle of 3.3 (2)°. The dihedral angle between the two terminal phenyl rings is 62.9 (2)°. The crystal packing is stabilized by weak intermolecular N-HO hydrogen bonds.
Online 16 July 2005
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