2,2,2-Trifluoro-1-[3-(2,2,2-trifluoroacetyl)azulen-1-yl]ethanone

被引：0
|
作者：
Foerster, Sebastian [1 ]
Eissmann, Frank [1 ]
Seichter, Wilhelm [1 ]
Weber, Edwin [1 ]
机构：
[1] Tech Univ Bergakad Freiberg, Inst Organ Chem, D-09596 Freiberg, Germany
来源：
ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE | 2011年 / 67卷
关键词：
CRYSTAL;
D O I：
10.1107/S1600536811017569
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
There are two molecules in the asymmetric unit of the title compound, C14H6F6O2, in which the azulene systems possess an almost planar geometry with maximum deviations of 0.0438 (15) and 0.0396 (14) A. Besides intra- and intermolecular C-H...O and C-H...F interactions, the structure displays three F...F contacts [2.793 (2), 2.8820 (17) and 2.9181 (16) A]. Furthermore, a characteristic azulene pi-stacking is observed with an alternating sequence of electron-rich five-membered rings and electron-deficient seven-membered rings [centroid-centroid distances = 3.5413 (12), 3.6847 (12), 3.5790 (12) and 3.7718 (12) A].
引用
收藏
页码：O1419 / U740
页数：13
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