2,3-二氯-5,8-二甲氧基-1,4-萘醌
2,3-Dichloro-5,8-dimeth-oxy-1,4-naphtho-quinone.
作者信息
Ukaegbu Maraizu, Butcher Ray J, Enwerem N M, Bakare Oladapo, Hosten Charles
机构信息
Department of Chemistry, Howard University, 525 College Street, NW, Washington, DC, 2059 USA.
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2012 Jul 1;68(Pt 7):o2018. doi: 10.1107/S1600536812023926. Epub 2012 Jun 13.
In the crystal structure of the title compound, C(12)H(8)Cl(2)O(4), mol-ecules crystallize in planes parallel to (-204) with an inter-planar distance of 3.288 (2) Å [centroid-centroid distance = 3.819 (2) and slippage = 1.932 (2) Å]. The structure features C-H⋯O inter-actions involving meth-oxy and aromatic H atoms and the carbonyl O atoms as well as a C-H⋯Cl inter-action involving an aromatic H atom. In addition there are short inter-halogen contacts between adjoining mol-ecules [Cl⋯Cl = 3.3709 (5) Å].
在标题化合物C₁₂H₈Cl₂O₄的晶体结构中，分子在平行于(-204)的平面中结晶，平面间距离为3.288(2) Å [质心-质心距离 = 3.819(2) 且滑移 = 1.932(2) Å]。该结构的特征是涉及甲氧基和芳香族H原子以及羰基O原子的C-H⋯O相互作用，以及涉及一个芳香族H原子的C-H⋯Cl相互作用。此外，相邻分子之间存在短的卤素间接触 [Cl⋯Cl = 3.3709(5) Å]。
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