Stoe IPDS II diffractometer	3509 independent reflections
Radiation source: fine-focus sealed tube	2785 reflections with I > 2σ(I)
graphite	Rint = 0.061
Detector resolution: 0.15 mm pixels mm-1	θmax = 29.2°, θmin = 2.9°
rotation method scans	h = −30→32
Absorption correction: numerical [shape of crystal determined optically (X-RED32, Stoe & Cie, 2005)]	k = −19→16
Tmin = 0.743, Tmax = 0.846	l = −10→10
8829 measured reflections