| O—C1 | 1.218 (2) | C2—C6 | 1.392 (2) |
| N1—C1 | 1.350 (2) | C3—H3A | 0.9300 |
| N1—C2 | 1.410 (2) | C4—C5 | 1.374 (3) |
| N1—H1A | 0.8600 | C4—H4A | 0.9300 |
| N2—C4 | 1.330 (2) | C5—C6 | 1.380 (2) |
| N2—C3 | 1.344 (2) | C5—H5A | 0.9300 |
| C1—C1i | 1.541 (3) | C6—H6A | 0.9300 |
| C2—C3 | 1.387 (2) | ||
| C1—N1—C2 | 127.27 (14) | N2—C3—H3A | 118.5 |
| C1—N1—H1A | 116.4 | C2—C3—H3A | 118.5 |
| C2—N1—H1A | 116.4 | N2—C4—C5 | 122.78 (17) |
| C4—N2—C3 | 118.26 (15) | N2—C4—H4A | 118.6 |
| O—C1—N1 | 126.31 (16) | C5—C4—H4A | 118.6 |
| O—C1—C1i | 121.25 (19) | C4—C5—C6 | 119.04 (17) |
| N1—C1—C1i | 112.44 (17) | C4—C5—H5A | 120.5 |
| C3—C2—C6 | 117.65 (16) | C6—C5—H5A | 120.5 |
| C3—C2—N1 | 124.21 (15) | C5—C6—C2 | 119.30 (16) |
| C6—C2—N1 | 118.14 (14) | C5—C6—H6A | 120.3 |
| N2—C3—C2 | 122.94 (16) | C2—C6—H6A | 120.3 |