Enraf–Nonius CAD-4 diffractometer | 1189 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.018 |
graphite | θmax = 25.3°, θmin = 2.3° |
ω/2θ scans | h = 0→10 |
Absorption correction: ψ scan (North et al., 1968) | k = 0→10 |
Tmin = 0.931, Tmax = 0.964 | l = −13→13 |
1670 measured reflections | 3 standard reflections every 200 reflections |
1568 independent reflections | intensity decay: 1% |