Bruker APEXII CCD area detector diffractometer	2806 reflections with I > 2σ(I)
φ and ω scans	Rint = 0.026
Absorption correction: multi-scan (SADABS; Sheldrick, 2008a)	θmax = 29.1°, θmin = 1.1°
Tmin = 0.472, Tmax = 0.666	h = −10→10
22794 measured reflections	k = −26→26
2909 independent reflections	l = −9→9