Bruker Kappa APEXII CCD diffractometer	3874 independent reflections
Radiation source: fine-focus sealed tube	2859 reflections with I > 2σ(I)
Graphite monochromator	Rint = 0.032
ω scans	θmax = 28.1°, θmin = 2.9°
Absorption correction: multi-scan (SADABS; Bruker, 2005)	h = −10→10
Tmin = 0.267, Tmax = 0.365	k = −17→18
15317 measured reflections	l = −19→18