Table 3. Experimental details.

Crystal data
Chemical formula	C20H17ClN2O3
M r	368.80
Crystal system, space group	Orthorhombic, P b c a
Temperature (K)	296
a, b, c (Å)	7.3514 (4), 11.5539 (7), 41.397 (3)
V (Å3)	3516.2 (4)
Z	8
Radiation type	Mo Kα
μ (mm−1)	0.24
Crystal size (mm)	0.45 × 0.20 × 0.05
Data collection
Diffractometer	Stoe IPDS 2
Absorption correction	Integration (X-RED32; Stoe & Cie, 2002 ▸)
T min, T max	0.925, 0.994
No. of measured, independent and observed [I > 2σ(I)] reflections	19519, 2913, 1682
R int	0.113
(sin θ/λ)max (Å−1)	0.584
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S	0.060, 0.128, 0.99
No. of reflections	2913
No. of parameters	235
H-atom treatment	H-atom parameters constrained
Δρmax, Δρmin (e Å−3)	0.34, −0.22

Computer programs: X-AREA and X-RED32 (Stoe & Cie, 2002 ▸), SHELXT2018/3 (Sheldrick, 2015a ▸), SHELXL2018/3 (Sheldrick, 2015b ▸), OLEX2 (Dolomanov et al., 2009 ▸), Mercury (Macrae et al., 2020 ▸), WinGX (Farrugia, 2012 ▸), PLATON (Spek, 2020 ▸) and publCIF (Westrip, 2010 ▸).