Bruker Kappa APEXII CCD diffractometer	4910 independent reflections
Radiation source: fine-focus sealed tube	2901 reflections with I > 2σ(I)
Graphite monochromator	Rint = 0.031
ω and φ scan	θmax = 27.0°, θmin = 1.8°
Absorption correction: multi-scan (SADABS; Bruker, 2004)	h = −12→11
Tmin = 0.977, Tmax = 0.981	k = −28→28
16107 measured reflections	l = −13→8