Bruker SMART APEX CCD area-detector diffractometer	4390 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.050
Graphite monochromator	θmax = 28.3°, θmin = 1.8°
phi and ω scans	h = −10→10
15581 measured reflections	k = −14→14
6204 independent reflections	l = −18→18