Table 2. Experimental details.

Crystal data
Chemical formula	2C17H12N2O3·H2O
M r	602.59
Crystal system, space group	Monoclinic, C2/c
Temperature (K)	296
a, b, c (Å)	14.835 (7), 6.453 (2), 28.000 (11)
β (°)	93.505 (10)
V (Å3)	2675.4 (18)
Z	4
Radiation type	Mo Kα
μ (mm−1)	0.11
Crystal size (mm)	0.83 × 0.31 × 0.04
Data collection
Diffractometer	Bruker APEXII CCD
Absorption correction	Multi-scan (SADABS; Bruker, 2009 ▸)
T min, T max	0.638, 0.955
No. of measured, independent and observed [I > 2σ(I)] reflections	36005, 2369, 1263
R int	0.129
(sin θ/λ)max (Å−1)	0.595
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S	0.061, 0.190, 1.07
No. of reflections	2369
No. of parameters	213
H-atom treatment	H atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å−3)	0.22, −0.19

Computer programs: APEX2 and SAINT (Bruker, 2009 ▸), SHELXS97 (Sheldrick 2008 ▸), SHELXL2013 (Sheldrick, 2015 ▸), DIAMOND (Brandenburg, 2009 ▸), Mercury (Macrae et al., 2008 ▸) and PLATON (Spek, 2009 ▸).