Bruker Kappa APEXII CCD diffractometer	4534 independent reflections
Radiation source: fine-focus sealed tube	3291 reflections with I > 2σ(I)
Graphite monochromator	Rint = 0.024
ω and φ scan	θmax = 29.6°, θmin = 2.2°
Absorption correction: multi-scan (SADABS; Bruker, 2004)	h = −10→10
Tmin = 0.908, Tmax = 1.000	k = −13→13
18636 measured reflections	l = −16→16