| Enraf–Nonius CAD-4 diffractometer | 3303 reflections with I > 2σ(I) |
| Radiation source: fine-focus sealed tube | Rint = 0.054 |
| graphite | θmax = 25.3°, θmin = 1.5° |
| ω/2θ scans | h = 0→9 |
| Absorption correction: ψ scan (North et al., 1968) | k = −14→14 |
| Tmin = 0.693, Tmax = 0.879 | l = −17→17 |
| 5096 measured reflections | 3 standard reflections every 120 min |
| 4734 independent reflections | intensity decay: 1% |