Table 2. Thermal expansion α (MK−1), based on experimental unit-cell constants and calculated using the PASCal server (Cliffe & Goodwin, 2012 ▸).
| Thermal expansion | ||||
|---|---|---|---|---|
| Direction | ||||
| Main axis | Value (MK−1) | a | b | c |
| X1 | −199 (6) | 0.8733 | 0.0000 | 0.4871 |
| X2 | 102 (4) | 0.9715 | 0.0000 | −0.2370 |
| X3 | 409 (8) | 0.0000 | 1.0000 | 0.0000 |