Kum KM4 CCD area-detector diffractometer	3373 independent reflections
Radiation source: fine-focus sealed tube	3069 reflections with I > 2σ(I)
Monochromator: graphite	Rint = 0.043
T = 100(2) K	θmax = 28.5º
ω scans	θmin = 3.1º
Absorption correction: multi-scan(PLATON; Spek, 2003)	h = −19→19
Tmin = 0.774, Tmax = 0.891	k = −16→16
17382 measured reflections	l = −20→21