Table 2. Experimental details.

Crystal data
Chemical formula	C24H22N4O4
M r	430.45
Crystal system, space group	Monoclinic, P21/c
Temperature (K)	223
a, b, c (Å)	7.9556 (6), 14.8583 (11), 17.3362 (12)
β (°)	95.556 (4)
V (Å3)	2039.6 (3)
Z	4
Radiation type	Mo Kα
μ (mm−1)	0.10
Crystal size (mm)	0.25 × 0.24 × 0.07
Data collection
Diffractometer	Bruker APEXII CCD
Absorption correction	Multi-scan (SADABS; Bruker, 2014 ▸)
T min, T max	0.673, 0.746
No. of measured, independent and observed [I > 2σ(I)] reflections	19298, 5090, 3739
R int	0.030
(sin θ/λ)max (Å−1)	0.668
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S	0.054, 0.160, 1.04
No. of reflections	5090
No. of parameters	289
H-atom treatment	H-atom parameters constrained
Δρmax, Δρmin (e Å−3)	0.52, −0.24

Computer programs: APEX2 and SAINT (Bruker, 2014 ▸), SHELXS97 and SHELXTL (Sheldrick, 2008 ▸), SHELXL2014/7 (Sheldrick, 2015 ▸), DIAMOND (Brandenburg, 2010 ▸) and publCIF (Westrip, 2010 ▸).