| Cl1—C1 | 1.7006 (18) | C2—C3 | 1.418 (2) |
| Cl2—C4 | 1.755 (2) | C2—H2 | 0.9300 |
| N1—C3 | 1.318 (2) | C3—C4 | 1.507 (3) |
| N1—C5 | 1.343 (2) | C4—H4A | 0.9700 |
| N2—C7 | 1.139 (3) | C4—H4B | 0.9700 |
| N3—C8 | 1.325 (3) | C5—C6 | 1.390 (3) |
| N3—N4 | 1.364 (2) | C6—C8 | 1.402 (3) |
| N4—C1 | 1.356 (2) | C6—C7 | 1.421 (3) |
| N4—C5 | 1.393 (2) | C8—H8 | 0.9300 |
| C1—C2 | 1.357 (3) | ||
| C3—N1—C5 | 117.09 (15) | C3—C4—H4A | 108.6 |
| C8—N3—N4 | 103.25 (16) | Cl2—C4—H4A | 108.6 |
| C1—N4—N3 | 126.15 (15) | C3—C4—H4B | 108.6 |
| C1—N4—C5 | 120.50 (15) | Cl2—C4—H4B | 108.6 |
| N3—N4—C5 | 113.35 (15) | H4A—C4—H4B | 107.5 |
| N4—C1—C2 | 118.49 (16) | N1—C5—C6 | 133.52 (16) |
| N4—C1—Cl1 | 117.07 (14) | N1—C5—N4 | 121.99 (15) |
| C2—C1—Cl1 | 124.44 (14) | C6—C5—N4 | 104.50 (15) |
| C1—C2—C3 | 118.48 (16) | C5—C6—C8 | 105.24 (17) |
| C1—C2—H2 | 120.8 | C5—C6—C7 | 126.97 (18) |
| C3—C2—H2 | 120.8 | C8—C6—C7 | 127.79 (19) |
| N1—C3—C2 | 123.45 (17) | N2—C7—C6 | 179.6 (3) |
| N1—C3—C4 | 114.14 (16) | N3—C8—C6 | 113.67 (19) |
| C2—C3—C4 | 122.40 (16) | N3—C8—H8 | 123.2 |
| C3—C4—Cl2 | 114.86 (15) | C6—C8—H8 | 123.2 |
| C8—N3—N4—C1 | −179.43 (19) | C3—N1—C5—C6 | −179.6 (2) |
| C8—N3—N4—C5 | 0.3 (2) | C3—N1—C5—N4 | −0.2 (3) |
| N3—N4—C1—C2 | −179.90 (18) | C1—N4—C5—N1 | 0.0 (3) |
| C5—N4—C1—C2 | 0.4 (3) | N3—N4—C5—N1 | −179.71 (17) |
| N3—N4—C1—Cl1 | 0.6 (3) | C1—N4—C5—C6 | 179.58 (16) |
| C5—N4—C1—Cl1 | −179.05 (13) | N3—N4—C5—C6 | −0.1 (2) |
| N4—C1—C2—C3 | −0.6 (3) | N1—C5—C6—C8 | 179.4 (2) |
| Cl1—C1—C2—C3 | 178.78 (14) | N4—C5—C6—C8 | 0.0 (2) |
| C5—N1—C3—C2 | −0.1 (3) | N1—C5—C6—C7 | 0.0 (4) |
| C5—N1—C3—C4 | −178.66 (18) | N4—C5—C6—C7 | −179.5 (2) |
| C1—C2—C3—N1 | 0.5 (3) | N4—N3—C8—C6 | −0.3 (3) |
| C1—C2—C3—C4 | 178.98 (19) | C5—C6—C8—N3 | 0.2 (3) |
| N1—C3—C4—Cl2 | −159.03 (16) | C7—C6—C8—N3 | 179.7 (2) |
| C2—C3—C4—Cl2 | 22.4 (3) |