Table 3. Experimental details.

Crystal data
Chemical formula	C15H14N2O2
M r	254.28
Crystal system, space group	Orthorhombic, P212121
Temperature (K)	296
a, b, c (Å)	7.6419 (7), 11.8889 (13), 14.8082 (16)
V (Å3)	1345.4 (2)
Z	4
Radiation type	Mo Kα
μ (mm−1)	0.09
Crystal size (mm)	0.15 × 0.10 × 0.10
Data collection
Diffractometer	Bruker APEXII CCD
Absorption correction	Multi-scan (SADABS; Bruker, 2012 ▸)
T min, T max	0.841, 0.992
No. of measured, independent and observed [I > 2σ(I)] reflections	20309, 2535, 1401
R int	0.055
(sin θ/λ)max (Å−1)	0.612
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S	0.040, 0.120, 1.04
No. of reflections	2535
No. of parameters	209
No. of restraints	17
H-atom treatment	H-atom parameters constrained
Δρmax, Δρmin (e Å−3)	0.11, −0.11

Computer programs: APEX2 and SAINT (Bruker, 2012 ▸), SHELXS97 (Sheldrick, 2008 ▸), SHELXL2014 (Sheldrick, 2015 ▸) and PLATON (Spek, 2009 ▸).