Bruker SMART APEX CCD area-detector diffractometer	4054 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.026
graphite	θmax = 28.0°, θmin = 1.9°
ω scans	h = −11→11
11114 measured reflections	k = −15→14
4603 independent reflections	l = −15→15