| F1—C1 | 1.341 (4) | C3—C4 | 1.377 (3) |
| F2—C2 | 1.342 (3) | C3—H3 | 1.0973 |
| C1—C2 | 1.354 (3) | C4—H4 | 1.0018 |
| C2—C3 | 1.357 (4) | ||
| F1—C1—C2 | 120.30 (15) | C2—C3—H3 | 117.3 |
| C2i—C1—C2 | 119.4 (3) | C4—C3—H3 | 124.4 |
| F2—C2—C3 | 121.1 (2) | C3—C4—C3i | 121.0 (3) |
| F2—C2—C1 | 117.3 (3) | C3—C4—H4 | 119.5 |
| C3—C2—C1 | 121.5 (2) | C3i—C4—H4 | 119.5 |
| C2—C3—C4 | 118.3 (2) |
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