Rigaku R-AXIS RAPID IP diffractometer	2988 independent reflections
Radiation source: fine-focus sealed tube	2379 reflections with I > 2σ(I)
graphite	Rint = 0.028
Detector resolution: 10.0 pixels mm-1	θmax = 25.2°, θmin = 3.3°
ω scans	h = −5→7
Absorption correction: multi-scan (ABSCOR; Higashi, 1995)	k = −14→11
Tmin = 0.56, Tmax = 0.72	l = −14→14
5637 measured reflections