Table 3. Experimental details.

Crystal data
Chemical formula	C14H8Cl3FN2
M r	329.57
Crystal system, space group	Monoclinic, P21/c
Temperature (K)	100
a, b, c (Å)	3.8617 (8), 24.249 (5), 14.724 (3)
β (°)	94.30 (3)
V (Å3)	1374.9 (5)
Z	4
Radiation type	Synchrotron, λ = 0.80246 Å
μ (mm−1)	0.93
Crystal size (mm)	0.20 × 0.10 × 0.02
Data collection
Diffractometer	Rayonix SX165 CCD
Absorption correction	Multi-scan (SCALA; Evans, 2006 ▸)
T min, T max	0.840, 0.970
No. of measured, independent and observed [I > 2σ(I)] reflections	20761, 2984, 2719
R int	0.115
(sin θ/λ)max (Å−1)	0.640
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S	0.053, 0.142, 1.05
No. of reflections	2984
No. of parameters	182
H-atom treatment	H-atom parameters constrained
Δρmax, Δρmin (e Å−3)	0.59, −0.72

Computer programs: Marccd (Doyle, 2011 ▸), iMosflm (Battye et al., 2011 ▸), SHELXS97 (Sheldrick, 2008 ▸), SHELXL2018 (Sheldrick, 2015 ▸), ORTEP-3 for Windows (Farrugia, 2012 ▸) and PLATON (Spek, 2009 ▸).