| Si1—N1 | 1.7517 (11) | Si1—N1v | 1.7517 (11) |
| Si1—N1i | 1.7517 (11) | N1—Si1vi | 1.7517 (11) |
| Si1—N1ii | 1.7517 (11) | N1—Si1vii | 1.7517 (11) |
| Si1—N1iii | 1.7517 (11) | N1—N1viii | 1.402 (8) |
| Si1—N1iv | 1.7517 (11) | ||
| N1—Si1—N1iii | 86.94 (4) | N1iv—Si1—N1ii | 86.94 (4) |
| N1iv—Si1—N1v | 93.06 (4) | N1v—Si1—N1i | 86.94 (4) |
| N1ii—Si1—N1i | 93.06 (4) | N1—Si1—N1v | 86.94 (4) |
| N1—Si1—N1iv | 180.0 | N1—Si1—N1i | 93.06 (4) |
| N1iii—Si1—N1i | 180.00 (14) | Si1—N1—Si1vi | 112.54 (10) |
| N1iii—Si1—N1iv | 93.06 (4) | Si1vii—N1—Si1vi | 112.54 (10) |
| N1iii—Si1—N1v | 93.06 (4) | Si1vii—N1—Si1 | 112.54 (10) |
| N1—Si1—N1ii | 93.06 (4) | N1viii—N1—Si1vi | 106.20 (12) |
| N1ii—Si1—N1v | 180.0 | N1viii—N1—Si1vii | 106.20 (12) |
| N1iii—Si1—N1ii | 86.94 (4) | N1viii—N1—Si1 | 106.20 (12) |
| N1iv—Si1—N1i | 86.94 (4) | ||
| N1iii—Si1—N1—Si1vii | 94.59 (6) | N1i—Si1—N1—Si1vii | −85.41 (6) |
| N1iii—Si1—N1—Si1vi | −33.8 (3) | N1ii—Si1—N1—Si1vii | 7.82 (11) |
| N1v—Si1—N1—Si1vi | 59.4 (2) | N1iii—Si1—N1—N1viii | −149.62 (10) |
| N1i—Si1—N1—Si1vi | 146.2 (3) | N1v—Si1—N1—N1viii | −56.39 (6) |
| N1ii—Si1—N1—Si1vi | −120.6 (2) | N1i—Si1—N1—N1viii | 30.38 (10) |
| N1v—Si1—N1—Si1vii | −172.18 (11) | N1ii—Si1—N1—N1viii | 123.61 (6) |