| N1—C5 | 1.456 (5) | C2—Br1 | 1.895 (5) | 
| N1—H10 | 0.89 | C3—C4 | 1.369 (6) | 
| N1—H9 | 0.89 | C3—H2 | 0.93 | 
| N1—H11 | 0.89 | C4—C5 | 1.375 (5) | 
| N2—C7 | 1.465 (5) | C4—H3 | 0.93 | 
| N2—H14 | 0.89 | C5—C6 | 1.373 (6) | 
| N2—H13 | 0.89 | C6—H4 | 0.93 | 
| N2—H12 | 0.89 | C7—C12 | 1.364 (6) | 
| N3—O5 | 1.207 (5) | C7—C8 | 1.370 (6) | 
| N3—O3 | 1.245 (4) | C8—C9 | 1.379 (7) | 
| N3—O2 | 1.249 (4) | C8—H5 | 0.93 | 
| N4—O1 | 1.229 (4) | C9—C10 | 1.360 (7) | 
| N4—O4 | 1.254 (4) | C9—H6 | 0.93 | 
| N4—O6 | 1.258 (4) | C10—C11 | 1.366 (6) | 
| C1—C6 | 1.378 (7) | C10—Br2 | 1.900 (4) | 
| C1—C2 | 1.382 (6) | C11—C12 | 1.372 (6) | 
| C1—H1 | 0.93 | C11—H7 | 0.93 | 
| C2—C3 | 1.369 (6) | C12—H8 | 0.93 | 
| C5—N1—H10 | 109.5 | C3—C4—C5 | 119.7 (4) | 
| C5—N1—H9 | 109.5 | C3—C4—H3 | 120.2 | 
| H10—N1—H9 | 109.5 | C5—C4—H3 | 120.2 | 
| C5—N1—H11 | 109.5 | C6—C5—C4 | 120.7 (4) | 
| H10—N1—H11 | 109.5 | C6—C5—N1 | 119.5 (3) | 
| H9—N1—H11 | 109.5 | C4—C5—N1 | 119.8 (4) | 
| C7—N2—H14 | 109.5 | C5—C6—C1 | 119.4 (4) | 
| C7—N2—H13 | 109.5 | C5—C6—H4 | 120.3 | 
| H14—N2—H13 | 109.5 | C1—C6—H4 | 120.3 | 
| C7—N2—H12 | 109.5 | C12—C7—C8 | 121.2 (4) | 
| H14—N2—H12 | 109.5 | C12—C7—N2 | 118.9 (4) | 
| H13—N2—H12 | 109.5 | C8—C7—N2 | 119.9 (4) | 
| O5—N3—O3 | 123.7 (4) | C7—C8—C9 | 119.5 (4) | 
| O5—N3—O2 | 121.3 (4) | C7—C8—H5 | 120.3 | 
| O3—N3—O2 | 115.0 (4) | C9—C8—H5 | 120.3 | 
| O1—N4—O4 | 119.8 (4) | C10—C9—C8 | 119.0 (4) | 
| O1—N4—O6 | 120.9 (4) | C10—C9—H6 | 120.5 | 
| O4—N4—O6 | 119.3 (3) | C8—C9—H6 | 120.5 | 
| C6—C1—C2 | 119.8 (4) | C9—C10—C11 | 121.5 (4) | 
| C6—C1—H1 | 120.1 | C9—C10—Br2 | 120.0 (4) | 
| C2—C1—H1 | 120.1 | C11—C10—Br2 | 118.5 (4) | 
| C3—C2—C1 | 120.1 (5) | C10—C11—C12 | 119.6 (4) | 
| C3—C2—Br1 | 120.0 (3) | C10—C11—H7 | 120.2 | 
| C1—C2—Br1 | 119.9 (4) | C12—C11—H7 | 120.2 | 
| C2—C3—C4 | 120.3 (4) | C7—C12—C11 | 119.2 (4) | 
| C2—C3—H2 | 119.9 | C7—C12—H8 | 120.4 | 
| C4—C3—H2 | 119.9 | C11—C12—H8 | 120.4 | 
| C6—C1—C2—C3 | −0.4 (7) | C12—C7—C8—C9 | 1.2 (7) | 
| C6—C1—C2—Br1 | 178.7 (3) | N2—C7—C8—C9 | 179.8 (4) | 
| C1—C2—C3—C4 | 0.4 (6) | C7—C8—C9—C10 | 0.2 (7) | 
| Br1—C2—C3—C4 | −178.7 (3) | C8—C9—C10—C11 | −1.1 (8) | 
| C2—C3—C4—C5 | −0.6 (6) | C8—C9—C10—Br2 | 178.5 (4) | 
| C3—C4—C5—C6 | 0.7 (6) | C9—C10—C11—C12 | 0.6 (7) | 
| C3—C4—C5—N1 | 179.2 (3) | Br2—C10—C11—C12 | −179.1 (3) | 
| C4—C5—C6—C1 | −0.6 (6) | C8—C7—C12—C11 | −1.8 (6) | 
| N1—C5—C6—C1 | −179.2 (4) | N2—C7—C12—C11 | 179.6 (4) | 
| C2—C1—C6—C5 | 0.4 (7) | C10—C11—C12—C7 | 0.9 (6) |