Bruker KappaAPEXII CCD diffractometer	3302 independent reflections
Radiation source: fine-focus sealed tube	2275 reflections with I > 2σ(I)
graphite	Rint = 0.023
Detector resolution: 7.40 pixels mm-1	θmax = 28.8°, θmin = 2.2°
ω scans	h = −16→16
Absorption correction: multi-scan (SADABS; Bruker, 2005)	k = −19→19
Tmin = 0.980, Tmax = 0.996	l = −9→10
12426 measured reflections