Table 2. Experimental details.

Crystal data
Chemical formula	C20H9F21O3
M r	696.26
Crystal system, space group	Monoclinic, P21/c
Temperature (K)	100
a, b, c (Å)	7.0271 (1), 19.2243 (1), 17.7558 (1)
β (°)	97.332 (1)
V (Å3)	2379.04 (4)
Z	4
Radiation type	Cu Kα
μ (mm−1)	2.21
Crystal size (mm)	0.23 × 0.09 × 0.07
Data collection
Diffractometer	XtaLAB Synergy, Dualflex, HyPix3000
Absorption correction	Gaussian [CrysAlis PRO; Rigaku OD, 2019 ▸)
Tmin, Tmax	0.681, 1.000
No. of measured, independent and observed [I ≥ 2u(I)] reflections	23552, 4403, 4160
R int	0.020
(sin θ/λ)max (Å−1)	0.605
Refinement
R[F2 > 2σ(F2)], wR(F2), S	0.037, 0.088, 1.07
No. of reflections	4403
No. of parameters	398
H-atom treatment	H-atom parameters constrained
Δρmax, Δρmin (e Å−3)	0.90, −0.49

Computer programs: CrysAlis PRO (Rigaku OD, 2019 ▸), SHELXT2018/2 (Sheldrick, 2015a ▸), SHELXL2018/3 (Sheldrick, 2015b ▸), Mercury (Macrae et al., 2008) and OLEX2 (Dolomanov et al., 2009 ▸).