Bruker Kappa APEXII CCD diffractometer	1613 independent reflections
Radiation source: fine-focus sealed tube	1431 reflections with I > 2σ(I)
graphite	Rint = 0.028
Detector resolution: 7.40 pixels mm-1	θmax = 28.7°, θmin = 2.2°
ω scans	h = −17→19
Absorption correction: multi-scan (SADABS; Bruker, 2005)	k = −16→16
Tmin = 0.973, Tmax = 0.984	l = −10→5
7060 measured reflections