Bruker SMART CCD diffractometer	4203 independent reflections
Radiation source: fine-focus sealed tube	2889 reflections with I > 2σ(I)
Monochromator: graphite	Rint = 0.028
T = 294(2) K	θmax = 25.5º
φ and ω scans	θmin = 2.6º
Absorption correction: multi-scan(SADABS; Sheldrick, 1996)	h = −12→11
Tmin = 0.462, Tmax = 0.742	k = −13→13
14295 measured reflections	l = −22→22