Crystal structure of (E)-2-(3,5-bis(trifluoromethyl)benzylidene)-7-methoxy-3,4-dihydronaphthalen- 1(2H)-one, C20H14F6O2

C20H14F6O2${\text{C}}_{20}{\text{H}}_{14}{\text{F}}_{6}{\text{O}}_{2}$, monoclinic, P21/c (no. 14), a = 14.791(2) Å, b = 8.5303(9) Å, c = 15.531(3) Å, β = 115.474(19)°, V = 1769.1(5) Å3, Z = 4, Rgt${R}_{gt}$(F) = 0.0574, w Rref$w\,{R}_{\text{ref}}$(F2) = 0.1451, T = 100 K