| O1—N3 | 1.214 (3) | C1—H1A | 0.9300 |
| O2—N3 | 1.221 (3) | C2—C7 | 1.400 (4) |
| O3—N4 | 1.229 (3) | C2—C3 | 1.414 (3) |
| O4—N4 | 1.219 (3) | C3—C4 | 1.382 (3) |
| N1—N2 | 1.336 (3) | C4—C5 | 1.361 (4) |
| N1—H1B | 0.8999 | C4—H4A | 0.9300 |
| N1—H1C | 0.9000 | C5—C6 | 1.393 (4) |
| N2—C1 | 1.282 (3) | C6—C7 | 1.365 (4) |
| N3—C3 | 1.464 (3) | C6—H6A | 0.9300 |
| N4—C5 | 1.463 (3) | C7—H7A | 0.9300 |
| C1—C2 | 1.458 (3) | ||
| N2—N1—H1B | 124.3 | C4—C3—C2 | 122.2 (2) |
| N2—N1—H1C | 115.3 | C4—C3—N3 | 115.3 (2) |
| H1B—N1—H1C | 119.5 | C2—C3—N3 | 122.5 (2) |
| C1—N2—N1 | 117.5 (2) | C5—C4—C3 | 118.9 (2) |
| O1—N3—O2 | 121.8 (3) | C5—C4—H4A | 120.6 |
| O1—N3—C3 | 119.9 (2) | C3—C4—H4A | 120.6 |
| O2—N3—C3 | 118.3 (2) | C4—C5—C6 | 121.7 (3) |
| O4—N4—O3 | 123.8 (3) | C4—C5—N4 | 119.6 (3) |
| O4—N4—C5 | 118.6 (3) | C6—C5—N4 | 118.7 (3) |
| O3—N4—C5 | 117.6 (3) | C7—C6—C5 | 118.4 (3) |
| N2—C1—C2 | 118.9 (2) | C7—C6—H6A | 120.8 |
| N2—C1—H1A | 120.5 | C5—C6—H6A | 120.8 |
| C2—C1—H1A | 120.5 | C6—C7—C2 | 123.2 (3) |
| C7—C2—C3 | 115.5 (2) | C6—C7—H7A | 118.4 |
| C7—C2—C1 | 119.4 (2) | C2—C7—H7A | 118.4 |
| C3—C2—C1 | 125.0 (2) |