Nonius KappaCCD diffractometer	2922 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.018
Graphite monochromator	θmax = 26.4°, θmin = 2.9°
CCD rotation images, thick slices scans	h = −19→19
6325 measured reflections	k = −17→14
3845 independent reflections	l = −10→10