1,2-Bis(2-chlorophenyl)-1,2-bis(3,4-dimethyl-phenyl)ethane- ,2-diol

The asymmetric unit of the title compound, C30H28Cl2O2, contains a half molecule with the other half generated by the crystallographic twofold symmetry. The hydroxyl groups are in the trans configuration. The molecular structure is stabilized by O-H center dot center dot center dot Cl and C-H center dot center dot center dot O hydrogen bonds, and C-H center dot center dot center dot pi interactions stabilize the crystal packing.