Fan Ying, You Wei, Liu Jian-Lan, Qian Hui-Fen, Huang Wei
Acta Crystallogr Sect E Struct Rep Online. 2008 May 14;64(Pt 6):o1080. doi: 10.1107/S1600536808013901.
The title compound, C(7)H(4)Cl(2)O(2), exhibits a layer crystal structure; mol-ecules within each layer are linked by weak C-H⋯O inter-molecular hydrogen bonds. There is also an intramolecular O-H⋯O hydrogen bond.