Table 2. Experimental details.

Crystal data
Chemical formula	C14H15ClN2O4
M r	310.73
Crystal system, space group	Monoclinic, P21/c
Temperature (K)	100
a, b, c (Å)	11.4117 (4), 16.1679 (7), 7.8201 (3)
β (°)	103.382 (2)
V (Å3)	1403.66 (10)
Z	4
Radiation type	Mo Kα
μ (mm−1)	0.29
Crystal size (mm)	0.28 × 0.18 × 0.16
Data collection
Diffractometer	Bruker D8 Quest CMOS
Absorption correction	Multi-scan (SADABS; Bruker, 2014 ▶)
T min, T max	0.681, 0.747
No. of measured, independent and observed [I > 2σ(I)] reflections	15441, 6627, 5116
R int	0.028
(sin θ/λ)max (Å−1)	0.862
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S	0.046, 0.114, 1.06
No. of reflections	6627
No. of parameters	192
H-atom treatment	H-atom parameters constrained
Δρmax, Δρmin (e Å−3)	0.58, −0.36

Computer programs: APEX2 and SAINT (Bruker, 2014 ▶), SHELXS97 and SHELXL2013 (Sheldrick, 2008 ▶), SHELXLE (Hübschle et al., 2011 ▶), ORTEP-3 for Windows (Farrugia, 2012 ▶), Mercury (Macrae et al., 2006 ▶), publCIF (Westrip, 2010 ▶) and enCIFer (Allen et al., 2004 ▶).