Bruker SMART APEX CCD area-detector diffractometer	3642 independent reflections
Radiation source: fine-focus sealed tube	2776 reflections with I > 2σ(I)
Graphite monochromator	Rint = 0.019
ω scan	θmax = 25.5°, θmin = 1.7°
Absorption correction: multi-scan (SADABS; Bruker, 2000)	h = −16→8
Tmin = 0.345, Tmax = 0.479	k = −10→10
9464 measured reflections	l = −16→21