Bruker SMART APEXII CCD diffractometer	6673 independent reflections
Radiation source: fine-focus sealed tube	5955 reflections with I > 2σ(I)
graphite	Rint = 0.024
φ and ω scans	θmax = 35.4°, θmin = 2.7°
Absorption correction: multi-scan (SADABS; Bruker, 2009)	h = −45→46
Tmin = 0.783, Tmax = 0.928	k = −12→12
46944 measured reflections	l = −25→25