Fig. 7: Energy diagram of a relaxed scan of the dihedral angle between the carbonyl group and the aromatic ring in 1a and 1a-Cr.
From: Asymmetric hydrogenation of 1,1-diarylethylenes and benzophenones through a relay strategy

The relative Gibbs free energies are given in kcal/mol. a Energy diagram of a relaxed scan of the dihedral angle between the carbonyl group and the aromatic ring in 1a. b Energy diagram of a relaxed scan of the dihedral angle between the carbonyl group and the aromatic ring in 1a-Cr.