Selected metrical parameters for Complexes 1–4.
| Bond (Å, °) | 1 | 2 | 3·C5H12 | 4·C5H12 |
|---|---|---|---|---|
| An–Cα | 2.457(3) | 2.529(5), 2.536(5) | 2.305(8) | 2.368(16) |
| Cα–Cβ | 1.299(4) | 1.292(7), 1.288(7) | 1.221(11) | 1.23(2) |
| Cβ–Cγ | 1.329(4) | 1.327(7), 1.319(7) | 1.403(11) | 1.40(2) |
| Cγ–Cipso | 1.490(4), 1.474(4) | 1.492(7), 1.487(7), 1.497(7), 1.488(7) | 1.443(12), 1.468(12) | 1.47(2), 1.45(2) |
| An–Cα–Cβ | 133.2(2) | 132.0(4), 128.6(4) | 173.3(8) | 172.0(14) |
| Cα–Cβ–Cγ | 176.1(3) | 175.5(6), 176.5(6) | 176.7(9) | 174.6(16) |
| Σ(∠Cipso/β–Cγ–Cipso) | 359.0 | 360.0/359.9 | 359.9 | 359.9 |