| Br1—Br2i | 2.5372 (2) | C2—H2B | 0.9800 |
| Br1—Br2 | 2.5372 (2) | C2—H2C | 0.9800 |
| O1—C1 | 1.2786 (16) | C3—H3A | 0.9800 |
| O1—H1 | 1.2112 | C3—H3B | 0.9800 |
| N1—C1 | 1.3134 (17) | C3—H3C | 0.9800 |
| N1—C3 | 1.4605 (18) | C4—H4A | 0.9800 |
| N1—C4 | 1.4618 (18) | C4—H4B | 0.9800 |
| C1—C2 | 1.4984 (19) | C4—H4C | 0.9800 |
| C2—H2A | 0.9800 | ||
| Br2i—Br1—Br2 | 180.0 | H2B—C2—H2C | 109.5 |
| C1—O1—H1 | 116.95 | N1—C3—H3A | 109.5 |
| C1—N1—C3 | 121.62 (11) | N1—C3—H3B | 109.5 |
| C1—N1—C4 | 123.36 (12) | H3A—C3—H3B | 109.5 |
| C3—N1—C4 | 115.00 (11) | N1—C3—H3C | 109.5 |
| O1—C1—N1 | 118.58 (12) | H3A—C3—H3C | 109.5 |
| O1—C1—C2 | 120.50 (12) | H3B—C3—H3C | 109.5 |
| N1—C1—C2 | 120.92 (12) | N1—C4—H4A | 109.5 |
| C1—C2—H2A | 109.5 | N1—C4—H4B | 109.5 |
| C1—C2—H2B | 109.5 | H4A—C4—H4B | 109.5 |
| H2A—C2—H2B | 109.5 | N1—C4—H4C | 109.5 |
| C1—C2—H2C | 109.5 | H4A—C4—H4C | 109.5 |
| H2A—C2—H2C | 109.5 | H4B—C4—H4C | 109.5 |
| C3—N1—C1—O1 | −2.46 (19) | C3—N1—C1—C2 | 177.27 (12) |
| C4—N1—C1—O1 | 175.52 (13) | C4—N1—C1—C2 | −4.8 (2) |