Table 1. Experimental details.
| Crystal data | |
| Chemical formula | Ba0.9Ce0.1LuAl0.2Si3.8N6.9O0.1 |
| M r | 1045.99 |
| Crystal system, space group | Hexagonal, P63 m c |
| Temperature (K) | 301 |
| a, c (Å) | 6.0378 (5), 9.8133 (9) |
| V (Å3) | 309.82 (6) |
| Z | 1 |
| Radiation type | Mo Kα |
| μ (mm−1) | 22.95 |
| Crystal size (μm) | 0.13 × 0.07 × 0.02 |
| Data collection | |
| Diffractometer | Bruker D8 QUEST |
| Absorption correction | Multi-scan (SADABS; Bruker, 2018 ▸) |
| T min, T max | 0.37, 0.68 |
| No. of measured, independent and observed [I > 2σ(I)] reflections | 2818, 395, 381 |
| R int | 0.059 |
| (sin θ/λ)max (Å−1) | 0.713 |
| Refinement | |
| R[F 2 > 2σ(F 2)], wR(F 2), S | 0.022, 0.055, 1.04 |
| No. of reflections | 395 |
| No. of parameters | 33 |
| No. of restraints | 1 |
| Δρmax, Δρmin (e Å−3) | 1.70, −1.40 |
| Absolute structure | Refined as an inversion twin |
| Absolute structure parameter | 0.10 (3) |