Bruker SMART APEXII CCD diffractometer	2786 independent reflections
Radiation source: fine-focus sealed tube	2208 reflections with I > 2σ(I)
Graphite monochromator	Rint = 0.029
ω and φ scans	θmax = 25.0°, θmin = 2.2°
Absorption correction: multi-scan (SADABS; Bruker, 2008)	h = −9→8
Tmin = 0.912, Tmax = 0.924	k = −12→12
11848 measured reflections	l = −15→21