Bruker APEXII CCD area-detector diffractometer	2390 independent reflections
Radiation source: fine-focus sealed tube	1664 reflections with I > 2σ(I)
graphite	Rint = 0.106
ω scans	θmax = 25.3°, θmin = 2.0°
Absorption correction: multi-scan (SADABS; Bruker, 2006)	h = −3→4
Tmin = 0.570, Tmax = 0.940	k = −12→12
13728 measured reflections	l = −35→35