Bruker SMART APEX diffractometer	12754 independent reflections
Radiation source: fine-focus sealed tube	9841 reflections with I > 2σ(I)
graphite	Rint = 0.045
ω scans	θmax = 27.5°, θmin = 1.2°
Absorption correction: multi-scan (SADABS; Sheldrick, 1996)	h = −15→15
Tmin = 0.642, Tmax = 0.746	k = −17→17
23151 measured reflections	l = −21→21