Zhang Zhi-Fang
School of Chemistry and Chemical Engineering, Yulin University, Yulin 719000, People's Republic of China.
Acta Crystallogr Sect E Struct Rep Online. 2011 May 1;67(Pt 5):o1078. doi: 10.1107/S1600536811011019. Epub 2011 Apr 7.
In the crystal structure of the title compound, C(14)H(12)O(4), the mol-ecules form classical O-H⋯O hydrogen-bonded carb-oxy-lic acid dimers. These dimers are linked by C-H⋯pi; inter-actions into a three-dimensional network. The benzene rings are oriented at a dihedral angle of 69.6 (3)°.