Oxford Diffraction Xcalibur diffractometer	2777 reflections with I > 2σ(I)
ω scans	Rint = 0.014
Absorption correction: multi-scan (CrysAlis RED; Oxford Diffraction, 2009)	θmax = 25.3°, θmin = 2.6°
Tmin = 0.724, Tmax = 1.000	h = −11→11
9220 measured reflections	k = −11→11
4940 independent reflections	l = −18→18