Bruker–Nonius KappaCCD diffractometer	7393 independent reflections
Radiation source: fine-focus sealed tube	5463 reflections with I > 2σ(I)
graphite	Rint = 0.060
Detector resolution: 9.091 pixels mm-1	θmax = 25.0°, θmin = 3.0°
φ– and ω scans	h = −14→14
Absorption correction: multi-scan (SORTAV; Blessing, 1997)	k = −15→15
Tmin = 0.912, Tmax = 0.981	l = −17→17
31054 measured reflections