7-氟-4-氧代色烯-3-甲醛
7-Fluoro-4-oxochromene-3-carbaldehyde.
作者信息
Asad Mohammad, Oo Chuan-Wei, Osman Hasnah, Hemamalini Madhukar, Fun Hoong-Kun
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2011 Apr 1;67(Pt 4):o766. doi: 10.1107/S1600536811007045. Epub 2011 Mar 2.
Abstract
In the title compound, C(10)H(5)FO(3), the chromenone ring is essentially planar, with a maximum deviation of 0.039 (1) Å. The dihedral angle between the fluoro-subsituted benzene ring and the pyran ring is 1.92 (4)°. In the crystal, mol-ecules are connected via weak inter-molecular C-H⋯O hydrogen bonds, forming supra-molecular ribbons along the b axis. These ribbons are stacked down the a axis.
摘要
在标题化合物C(10)H(5)FO(3)中，色原酮环基本呈平面状，最大偏差为0.039 (1) Å。氟取代苯环与吡喃环之间的二面角为1.92 (4)°。在晶体中，分子通过弱分子间C—H⋯O氢键相连，沿b轴形成超分子带。这些带沿a轴堆叠。
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