| Samples | phases | a (Å) | b (Å) | c (Å) | V (Å3) |
| Si00-21 | T | 5.4332(2) |
| 10.8402(6) | 320.00(5) |
| Si10-11 | T | 5.4252(1) |
| 10.8095(2) | 318.15(2) |
| Si20-11 | T | 5.4124(2) |
| 10.7755(6) | 315.65(4) |
| Si25-11 | T | 5.4045(1) |
| 10.7352(2) | 313.57(1) |
| Si30-11 | T | 5.4017(2) |
| 10.7278(5) | 313.02(3) |
| Si40-31 | T | 5.3886(1) |
| 10.6797(4) | 310.11(3) |
| Si45-21 | T | 5.3805(5) |
| 10.369(16) | 307.93(10) |
| Si50-41 | T | 5.3764(4) |
| 10.6265(9) | 307.17(8) |
| Si60-11 | T | 5.3747(3) |
| 10.6184(3) | 306.74(5) |
| O | 7.4729(5) | 6.4341(4) | 6.1743(5) | 296.87(6) | |
| Si75-11 | T | 5.3756(2) |
| 10.6168(6) | 306.79(4) |
| O | 7.4800(3) | 6.4394(3) | 6.1662(3) | 297.02(4) | |
| Si80-11 | O | 7.4862(1) | 6.4501(1) | 6.1769(1) | 298.27(1) |
| Si100-11 | O | 7.4372(2) | 6.3986(2) | 6.1381(1) | 292.11(2) |