Bruker APEXII CCD diffractometer	2266 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.020
φ and ω scans	θmax = 25.5°, θmin = 1.7°
Absorption correction: multi-scan (SADABS; Sheldrick, 1996)	h = −8→8
Tmin = 0.950, Tmax = 0.957	k = −10→10
5460 measured reflections	l = −14→15
2731 independent reflections