Acta Cryst. (2007). E63, o4075 [ doi:10.1107/S1600536807043619 ]
Abstract: The title compound, C24H22O2, exists exclusively as the keto tautomer in the crystalline state with a dihedral angle of 66.8 (2)° between the carbonyl groups. Furthermore, steric crowding produces an uncommonly long carbon-carbon bond [1.587 (3) Å] linking the triphenylmethyl and diketone moieties.
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