Bruker Kappa APEXII area-detector diffractometer	5446 reflections with I > 2σ(I)
ω– and φ–scans	Rint = 0.021
Absorption correction: multi-scan (SADABS; Bruker, 2008)	θmax = 35.2°, θmin = 4.3°
Tmin = 0.515, Tmax = 0.669	h = −11→11
30601 measured reflections	k = −12→12
6766 independent reflections	l = −22→21