Bruker Kappa APEXII CCD diffractometer	6718 independent reflections
Radiation source: fine-focus sealed tube	4911 reflections with I > 2σ(I)
Graphite monochromator	Rint = 0.030
ω and φ scan	θmax = 32.6°, θmin = 1.8°
Absorption correction: multi-scan (SADABS; Bruker, 2004)	h = −12→12
Tmin = 0.955, Tmax = 0.964	k = −15→15
24261 measured reflections	l = −19→16