| Enraf–Nonius CAD-4 diffractometer | 1575 reflections with I > 2σ(I) |
| Radiation source: fine-focus sealed tube | Rint = 0.048 |
| graphite | θmax = 25.3°, θmin = 2.4° |
| ω/2θ scans | h = 0→10 |
| Absorption correction: ψ scan (North et al., 1968) | k = 0→20 |
| Tmin = 0.914, Tmax = 0.970 | l = −10→10 |
| 2431 measured reflections | 3 standard reflections every 120 min |
| 2274 independent reflections | intensity decay: 1% |