Table 5. A comparison of the conformation of the ligand (L) in complexes I and II .
The definitions of rings A, B, C, D and E are given in Fig. 4 ▸.
| Dihedral angle (°) | I a | II | Δ(I - II)° |
|---|---|---|---|
| A to B | 41.9 (2) | 35.5 (2) | > 6.4 |
| A to C | 86.1 (2) | 87.5 (3) | < 1.4 |
| A to D | 41.9 (2) | 34.9 (2) | > 7.0 |
| A to E | 86.1 (2) | 74.4 (2) | > 11.7 |
| B to C | 54.0 (2) | 53.7 (3) | > 0.3 |
| B to D | 38.0 (2) | 26.9 (2) | > 11.1 |
| B to E | 63.4 (2) | 71.9 (2) | < 8.5 |
| C to D | 63.4 (2) | 58.5 (3) | > 4.9 |
| C to E | 24.9 (2) | 18.3 (3) | > 6.6 |
| D to E | 54.0 (2) | 74.9 (2) | < 20.9 |
Note: (a) D = B
i, E = C
i; symmetry code: (i) −x + 
, y, −z.