Fun Hoong-Kun, Loh Wan-Sin, Kalluraya Balakrishna
Acta Crystallogr Sect E Struct Rep Online. 2011 Jun 1;67(Pt 6):o1489. doi: 10.1107/S1600536811018484. Epub 2011 May 25.
THE ASYMMETRIC UNIT OF THE TITLE COMPOUND [SYSTEMATIC NAME: 4-acetyl-3-(4-meth-oxy-phen-yl)-1,2,3-oxadiazol-3-ium-5-olate], C(11)H(10)N(2)O(4), contains four crystallographically independent mol-ecules. The 1,2,3-oxadiazole rings are almost planar [maximum deviations = 0.006 (3), 0.006 (3), 0.002 (3) and 0.009 (3) Å] and form dihedral angles of 55.03 (14), 61.02 (13), 58.36 (14) and 53.79 (15)° with their attached benzene rings. In the crystal, inter-molecular C-H⋯O and C-H⋯N hydrogen bonds link the mol-ecules, forming sheets parallel to (011).
标题化合物[系统名称：4-乙酰基-3-(4-甲氧基苯基)-1,2,3-恶二唑-3-鎓-5-醇盐]，化学式为C(11)H(10)N(2)O(4)，其不对称单元包含四个晶体学独立分子。1,2,3-恶二唑环几乎呈平面状[最大偏差分别为0.006(3)、0.006(3)、0.002(3)和0.009(3)Å]，并与其相连的苯环形成55.03(14)、61.02(13)、58.36(14)和53.79(15)°的二面角。在晶体中，分子间的C-H⋯O和C-H⋯N氢键将分子连接起来，形成平行于(011)的片层。
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