Bruker Kappa APEXII CCD diffractometer	2001 independent reflections
Radiation source: fine-focus sealed tube	1356 reflections with I > 2σ(I)
Graphite monochromator	Rint = 0.051
ω and φ scan	θmax = 25.0°, θmin = 2.2°
Absorption correction: multi-scan (SADABS; Bruker, 2004)	h = −15→14
Tmin = 0.961, Tmax = 0.979	k = −10→10
27493 measured reflections	l = −22→22