Bruker APEXII DUO CCD area-detector diffractometer	4135 independent reflections
Radiation source: fine-focus sealed tube	3176 reflections with I > 2σ(I)
graphite	Rint = 0.054
φ and ω scans	θmax = 32.6°, θmin = 2.2°
Absorption correction: multi-scan (SADABS; Bruker, 2009)	h = −14→14
Tmin = 0.968, Tmax = 0.984	k = −7→7
27219 measured reflections	l = −36→37