Abstract
In the title molecule, C22H18O, the o-tolyl ring is connected through a conjugated double bond. The molecule adopts an E conformation and the C—C=C—C torsion angle is 178.77 (13)°. The overall conformation may be described by the values of dihedral angles between the different planes. The terminal rings are twisted by an angle of 54.75 (8)°, while the biphenyl part is not planar, the dihedral angle between the planes of the rings being 40.65 (8)°. The dihedral angle between the benzene rings is 14.10 (7)°. There are three weak C—H⋯π interactions found in the crystal structure. No classic hydrogen bonds are observed.
Highlights
C22H18O, the o-tolyl ring is connected through a conjugated double bond
The overall conformation may be described by the values of dihedral angles between the different planes
The terminal rings are twisted by an angle of 54.75 (8), while the biphenyl part is not planar, the dihedral angle between the planes of the rings being 40.65 (8)
Summary
Key indicators: single-crystal X-ray study; T = 273 K; mean (C–C) = 0.002 A; R factor = 0.048; wR factor = 0.151; data-to-parameter ratio = 21.7. C22H18O, the o-tolyl ring is connected through a conjugated double bond. The molecule adopts an E conformation and the C—C C—C torsion angle is 178.77 (13). The overall conformation may be described by the values of dihedral angles between the different planes. The terminal rings are twisted by an angle of 54.75 (8), while the biphenyl part is not planar, the dihedral angle between the planes of the rings being 40.65 (8). The dihedral angle between the benzene rings is 14.10 (7). There are three weak C—HÁ Á Á interactions found in the crystal structure.
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