| Bruker SMART APEXII diffractometer | 4906 independent reflections |
| Radiation source: fine-focus sealed tube | 4031 reflections with I > 2σ(I) |
| graphite | Rint = 0.022 |
| Detector resolution: 8.333 pixels mm-1 | θmax = 26.0°, θmin = 2.3° |
| φ and ω scans | h = −8→10 |
| Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | k = −22→22 |
| Tmin = 0.888, Tmax = 0.973 | l = −11→9 |
| 7145 measured reflections |