Bruker APEXII area-detector diffractometer	3792 independent reflections
Radiation source: fine-focus sealed tube	2335 reflections with I > 2σ(I)
graphite	Rint = 0.025
φ and ω scans	θmax = 27.3°, θmin = 2.2°
Absorption correction: multi-scan (SADABS; Bruker, 2004)	h = −8→6
Tmin = 0.977, Tmax = 0.983	k = −12→14
5311 measured reflections	l = −16→16