Bruker APEXII CCD diffractometer	4739 reflections with I > 2σ(I)
φ and ω scans	Rint = 0.037
Absorption correction: multi-scan (SADABS; Bruker, 2010)	θmax = 34.5°, θmin = 1.7°
Tmin = 0.428, Tmax = 0.747	h = −13→13
65083 measured reflections	k = −37→37
6269 independent reflections	l = −12→12