Bruker SMART APEXII DUO CCD diffractometer	2973 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.027
φ and ω scans	θmax = 27.5°, θmin = 2.1°
Absorption correction: multi-scan (SADABS; Bruker, 2009)	h = −12→12
Tmin = 0.905, Tmax = 0.974	k = −12→12
15408 measured reflections	l = −13→13
3917 independent reflections