Bruker Kappa APEXII area-detector diffractometer	8911 independent reflections
Radiation source: fine-focus sealed tube	6475 reflections with I > 2σ(I)
graphite	Rint = 0.044
ω and φ scans	θmax = 28.4°, θmin = 1.0°
Absorption correction: multi-scan (SADABS; Sheldrick, 2001)	h = −28→27
Tmin = 0.718, Tmax = 0.765	k = −9→9
40140 measured reflections	l = −32→32