Bruker APEXII CCD diffractometer	2389 reflections with I > 2σ(I)
φ and ω scans	Rint = 0.019
Absorption correction: multi-scan (SADABS; Bruker, 2014)	θmax = 65.9°, θmin = 4.2°
Tmin = 0.703, Tmax = 0.808	h = −7→9
3454 measured reflections	k = −9→9
2483 independent reflections	l = −13→12