Oxford Diffraction Xcalibur diffractometer with a Sapphire CCD detector	2841 independent reflections
Radiation source: fine-focus sealed tube	2438 reflections with I > 2σ(I)
graphite	Rint = 0.009
Rotation method data acquisition using ω and φ scans	θmax = 26.4°, θmin = 2.6°
Absorption correction: multi-scan (CrysAlis RED; Oxford Diffraction, 2009)	h = −11→5
Tmin = 0.837, Tmax = 0.877	k = −12→5
5245 measured reflections	l = −19→19