Enraf–Nonius CAD-4 diffractometer	Rint = 0.004
Radiation source: fine-focus sealed tube	θmax = 25.5°, θmin = 1.9°
graphite	h = −9→9
ω/2θ scans	k = −1→12
3149 measured reflections	l = −12→13
3094 independent reflections	3 standard reflections every 150 reflections
1826 reflections with I > 2σ(I)	intensity decay: 4.5%