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In contrast to the stacking characteristic of quinones, the title compound, C20H12O4, forms a two-dimensional network of C—H...O hydrogen bonds. The molecule has an unsymmetrical butterfly shape with the two benzoyl O atoms lying out of the plane of the quinonoid ring. The unusual conformation is a result of the crystal packing and the numerous weak hydrogen bonds.

Supporting information


Crystallographic Information File (CIF)
Contains datablock dbq2


Structure factor file (CIF format)
Contains datablock dbq2

CCDC reference: 129292

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