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organic compounds
The title compound, C7H4Br2O2, crystallizes as centrosymmetric dimers in which two molecules are linked by two hydrogen bonds between the hydroxyl and carbonyl groups, with an OO distance of 2.839 (5) Å. Other intermolecular interactions are weak. There are no unusual intramolecular bond distances or angles. The atoms of the aldehyde group and the Br atoms, however, are found to deviate significantly from the plane of the benzene ring.