Fan Ying, You Wei, Qian Hui-Fen, Liu Jian-Lan, Huang Wei
Acta Crystallogr Sect E Struct Rep Online. 2008 Apr 4;64(Pt 5):o799. doi: 10.1107/S1600536808008726.
The title compound, C(7)H(4)Br(2)O(2), exhibits a layer packing structure via weak π-π stacking inter-actions [centroid-centroid distances between adjacent aromatic rings are 4.040 (8) and 3.776 (7) Å]. Mol-ecules in each layer are linked by inter-molecular O-H⋯O hydrogen bonding and Br⋯Br inter-actions [3.772 (4) Å]. There are two mol-ecules in the asymmetric unit.
标题化合物C(7)H(4)Br(2)O(2)通过弱π-π堆积相互作用呈现出层状堆积结构[相邻芳香环之间的质心-质心距离为4.040 (8) 和3.776 (7) Å]。每层中的分子通过分子间O-H⋯O氢键和Br⋯Br相互作用[3.772 (4) Å]相连。不对称单元中有两个分子。
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