Table 2. Experimental details.

Crystal data
Chemical formula	C19H15Cl6NO4[+solvent]
M r	534.02
Crystal system, space group	Tetragonal, I41/a
Temperature (K)	293
a, c (Å)	29.6250 (9), 10.2427 (4)
V (Å3)	8989.4 (6)
Z	16
Radiation type	Mo Kα
μ (mm−1)	0.79
Crystal size (mm)	0.26 × 0.21 × 0.15
Data collection
Diffractometer	Bruker SMART APEXII area-detector
Absorption correction	Multi-scan (SADABS; Bruker, 2008 ▸)
T min, T max	0.752, 0.863
No. of measured, independent and observed [I > 2σ(I)] reflections	10728, 5181, 3330
R int	0.021
(sin θ/λ)max (Å−1)	0.687
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S	0.041, 0.101, 1.04
No. of reflections	5181
No. of parameters	273
H-atom treatment	H-atom parameters constrained
Δρmax, Δρmin (e Å−3)	0.33, −0.21

Computer programs: APEX2 and SAINT (Bruker, 2008 ▸), SHELXS97 (Sheldrick, 2008 ▸), ORTEP-3 for Windows (Farrugia, 2012 ▸), SHELXL2018 (Sheldrick, 2015 ▸) and PLATON (Spek, 2009 ▸).