Oxford Diffraction Xcalibur E diffractometer	2633 independent reflections
Radiation source: fine-focus sealed tube	2197 reflections with I > 2σ(I)
graphite	Rint = 0.032
ω scans	θmax = 29.0°, θmin = 3.2°
Absorption correction: analytical (CrysAlis PRO; Oxford Diffraction, 2009)	h = −32→18
Tmin = 0.444, Tmax = 1.000	k = −6→7
5100 measured reflections	l = −19→21