Bruker Kappa APEXII CCD diffractometer	4852 independent reflections
Radiation source: fine-focus sealed tube	2432 reflections with I > 2σ(I)
Graphite monochromator	Rint = 0.120
ω and φ scan	θmax = 27.9°, θmin = 2.4°
Absorption correction: multi-scan (SADABS; Sheldrick, 1996)	h = −36→35
Tmin = 0.951, Tmax = 0.964	k = −16→16
26597 measured reflections	l = −15→15