Enraf–Nonius CAD-4 diffractometer	Rint = 0.038
Radiation source: fine-focus sealed tube	θmax = 26.0º
Monochromator: graphite	θmin = 2.4º
T = 293(2) K	h = 0→11
ω/2θ scans	k = 0→22
Absorption correction: ψ scan(North et al., 1968)	l = −12→11
Tmin = 0.928, Tmax = 0.981	3 standard reflections
3550 measured reflections	every 200 reflections
3352 independent reflections	intensity decay: <1%
2009 reflections with I > 2s(I)