Received 3 October 2011
In the crystal structure of the title compound, C8H6Br2O2, the carboxyl groups are involved in pairs of O-HO hydrogen bonds, which link the molecules into inversion dimers.
Data collection: SMART (Bruker, 2001); cell refinement: SAINT (Bruker, 2001); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: WinGX (Farrugia, 1999).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: LX2208 ).
This work was supported by the National Science Council (NSC 99-2113-M-035-001-MY2) and Feng Chia University, Taiwan.
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