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In the title compound, C13H10O3, a benzophenone derivative, the least-squares planes defined by the C atoms of the 2-hydroxyphenyl rings intersect at an angle of 45.49 (3)°. The substituents on the aromatic systems are both orientated towards the central O atom. Intra- as well as intermolecular O—H...O hydrogen bonds are observed, the latter giving rise to the formation of centrosymmetric dimers. The closest centroid–centroid distance between two π-systems is 3.7934 (7) Å.