Enraf–Nonius CAD-4 diffractometer | 2101 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.028 |
graphite | θmax = 25.3°, θmin = 1.4° |
ω/2θ scan | h = 0→18 |
Absorption correction: ψ scan (North et al., 1968) | k = 0→8 |
Tmin = 0.907, Tmax = 0.968 | l = −22→21 |
3684 measured reflections | 200 standard reflections every 3 reflections |
3542 independent reflections | intensity decay: 1% |