Bruker SMART APEXII CCD diffractometer	1269 reflections with I > 2σ(I)
Radiation source: fine focus sealed tube	Rint = 0.019
ω scans	θmax = 26.4°, θmin = 3.2°
Absorption correction: multi-scan (SADABS; Bruker, 2008)	h = −10→10
Tmin = 0.930, Tmax = 0.991	k = −10→10
9178 measured reflections	l = −20→20
1289 independent reflections