Bruker APEXII CCD diffractometer	7344 independent reflections
Radiation source: fine-focus sealed tube	5724 reflections with I > 3σ(I)
Graphite monochromator	Rint = 0.015
φ and ω scans	θmax = 28.3°, θmin = 2.0°
Absorption correction: multi-scan (SADABS; Bruker, 2008)	h = −19→19
Tmin = 0.932, Tmax = 1.000	k = −17→17
29552 measured reflections	l = −21→15