Bruker APEXII CCD area-detector diffractometer	2103 reflections with I > 2σ(I)
ω scans	Rint = 0.037
Absorption correction: integration (XPREP; Bruker, 2004)	θmax = 28°, θmin = 2.2°
Tmin = 0.332, Tmax = 0.746	h = −37→40
11693 measured reflections	k = −12→11
2705 independent reflections	l = −9→9