Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 2 (February 2013)


organic compounds



zl2522 scheme

Acta Cryst. (2013). E69, o177    [ doi:10.1107/S1600536812051586 ]

(1E,4E)-1,5-Bis[2-(trifluoromethyl)phenyl]penta-1,4-dien-3-one

D. H. Park, V. Ramkumar and P. Parthiban

Abstract: In the title compound, C19H12F6O, a monoketone derivative of curcumin, both double bonds have a trans conformation. The molecule is mostly planar with all C and O atoms essentially coplanar, with the exception of one benzene ring, which is tilted by 17.18 (1)° with respect to the plane of the remainder of the molecule. The r.m.s. deviation from planarity of the coplanar section is 0.0097 Å. The crystal packing features weak C-H...O and C-H...F interactions.


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