Bruker SMART 1000 CCD diffractometer	2705 independent reflections
Radiation source: fine-focus sealed tube	2187 reflections with I > 2σ(I)
Monochromator: graphite	Rint = 0.022
T = 173(2) K	θmax = 26.0º
ω scans	θmin = 1.8º
Absorption correction: multi-scan(SADABS; Sheldrick, 2004)	h = −26→23
Tmin = 0.829, Tmax = 0.934	k = −5→7
6230 measured reflections	l = −19→28