Bruker X8 APEXII diffractometer	3393 independent reflections
Radiation source: fine-focus sealed tube	2577 reflections with I > 2σ(I)
graphite	Rint = 0.040
φ and ω scans	θmax = 29.7°, θmin = 2.7°
Absorption correction: multi-scan (SADABS; Sheldrick, 1996)	h = −13→13
Tmin = 0.256, Tmax = 0.428	k = −12→12
51411 measured reflections	l = −18→18