| N1—C1 | 1.310 (3) | C4—C5 | 1.518 (3) |
| N1—N2 | 1.381 (2) | C4—H1 | 0.98 (2) |
| N2—C3i | 1.309 (3) | C4—H2 | 0.98 (2) |
| C1—C2 | 1.417 (3) | C5—C6 | 1.526 (3) |
| C1—C6 | 1.499 (3) | C5—H3 | 1.01 (2) |
| C2—C2i | 1.373 (3) | C5—H4 | 1.01 (2) |
| C2—C3 | 1.417 (3) | C6—H5 | 1.04 (2) |
| C3—N2i | 1.309 (3) | C6—H6 | 0.95 (2) |
| C3—C4 | 1.492 (3) | ||
| C1—N1—N2 | 120.01 (17) | C5—C4—H2 | 111.0 (13) |
| C3i—N2—N1 | 120.67 (18) | H1—C4—H2 | 109.4 (18) |
| N1—C1—C2 | 121.89 (19) | C4—C5—C6 | 111.2 (2) |
| N1—C1—C6 | 120.07 (18) | C4—C5—H3 | 111.1 (13) |
| C2—C1—C6 | 118.0 (2) | C6—C5—H3 | 109.2 (14) |
| C2i—C2—C3 | 118.3 (2) | C4—C5—H4 | 108.6 (14) |
| C2i—C2—C1 | 117.8 (2) | C6—C5—H4 | 110.1 (13) |
| C3—C2—C1 | 123.94 (17) | H3—C5—H4 | 106.5 (19) |
| N2i—C3—C2 | 121.33 (19) | C1—C6—C5 | 110.70 (19) |
| N2i—C3—C4 | 120.3 (2) | C1—C6—H5 | 107.1 (12) |
| C2—C3—C4 | 118.39 (18) | C5—C6—H5 | 110.5 (12) |
| C3—C4—C5 | 111.3 (2) | C1—C6—H6 | 109.2 (14) |
| C3—C4—H1 | 105.8 (12) | C5—C6—H6 | 111.1 (15) |
| C5—C4—H1 | 110.6 (12) | H5—C6—H6 | 108.2 (19) |
| C3—C4—H2 | 108.6 (13) |