Bruker SMART CCD area-detector diffractometer	586 independent reflections
Radiation source: fine-focus sealed tube	392 reflections with I > 2σ(I)
graphite	Rint = 0.040
φ and ω scans	θmax = 25.0°, θmin = 3.2°
Absorption correction: multi-scan (SADABS; Sheldrick, 1996)	h = −10→10
Tmin = 0.353, Tmax = 0.621	k = −10→8
1322 measured reflections	l = −17→9