Table 7. Coordination shell geometries (, ).
Parameters for the coordination shell about K1 in the LT form at 105K (Grbitz Sagstuen, 2008 ▶) in italics. Angles with K1ii at the apex are identical by symmetry.
| Coordination shell about K1 | Coordination shell about K2 | Coordination shell about Na | |||||
|---|---|---|---|---|---|---|---|
| 308K | 105K | 308K | 308K | ||||
| K1O1 | 2.895 (2) | 2.8194 | K2O7vii | 2.8118 (9) | NaO102 | 2.3391 (55) | |
| K1O1ii | 2.791 (2) | 2.8194 | K2 O7ix | 2.8118 (9) | NaO101 | 2.3633 (46) | |
| K1iiO1 | 2.791 (2) | K2O4iv | 2.8550 (8) | NaO7 | 2.3502 (8) | ||
| K1O1ii | 2.895 (2) | K2O4xi | 2.8550 (8) | NaO8 | 2.3727 (9) | ||
| K1O9 | 3.106 (3) | 2.8491 | K2O5xii | 3.0030 (7) | NaO1 | 2.3837 (7) | |
| K1O9ii | 2.905 (3) | 2.8491 | K2O5xiii | 3.0030 (7) | NaO3xi | 2.4705 (9) | |
| K1iiO9 | 2.905 (3) | K2O8vii | 3.1143 (12) | NaO5xi | 2.5085 (7) | ||
| K1O9ii | 3.106 (3) | K2O8ix | 3.1143 (12) | ||||
| K1O8viii | 2.998 (2) | 3.0271 | |||||
| K1iiO8vii | 2.998 (2) | K1O8vii | 3.0271 | ||||
| K1O102viii | 3.055 (5) | K1O10viii | 3.4266 | ||||
| K1iiO102vii | 3.055 (5) | K1O10vii | 3.4266 | ||||
| O102viiK1O102viii | 58.04 (18) | O10K1O10ii | 62.98 | O7viiK2O7ix | 75.22 (3) | O102NaO7 | 172.12 (12) |
| O4ivK2O4xi | 92.63 (4) | O101NaO7 | 173.99 (10) | ||||
| O1K1O1ii | 96.15 (3) | 95.81 | O5xiiK2O5xiii | 140.07 (3) | O1NaO5xi | 173.17 (3) | |
| O8viiK1O8viii | 142.18 (4) | 141.00 | O8viiK2O8ix | 169.58 (3) | O8NaO3xi | 160.72 (3) | |
| O9K1O9ii | 159.10 (5) | 161.78 | |||||