Bruker APEXII diffractometer	1297 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.041
Graphite monochromator	θmax = 64.3°, θmin = 5.6°
phi and φ scans	h = −5→5
Absorption correction: multi-scan (SADABS; Bruker, 2009)	k = −21→21
Tmin = 0.368, Tmax = 0.472	l = −9→10
6045 measured reflections	1 standard reflections every 1 reflections
1304 independent reflections	intensity decay: 1%