Table 1.
Comparison of internal N–Cu–N angles for cross-bridged (CB) cyclam and cyclen copper(u) complexes
| Ligand | trans-N–Cu–N angle/° | cis-N–Cu–N angle/° | cis-N–Cu–O angle/° |
|---|---|---|---|
| CB-cyclam | 179.7(3) | 88.5(3) | |
| Bn2–CB-cyclam | 177.8(2) | 88.4(2) | |
| 1 | 176.5(2) | 84.5(2) | 80.28(9), 84.69(8) |
| 177.5(1) | 84.8(2) | 81.31(9), 85.63(9) | |
| H1 | 172.92(8) | 86.36(8) | 84.03(7), 76.06(7) |
| 2 | |||
| 5-coordinate | 178.6(2) | 86.0(2) | 93.0(2) |
| 6-coordinate | 173.3(2) | 82.4(2) | 93.0(2), 89.6(1) |
| H2 | 179.7(1) | 84.7(1) | 92.30(7), 87.56(6) |
| H22 | 179.3(1) | 85.3(1) | 93.22(8), 87.13(9) |
| CB-cyclen | 160.4(1) | 85.4(1) | |
| 165.3(5) | 84.7(4) | ||
| Bn2–CB-cyclen | 167.9(3) | 81.0(3) | |
| 3 | 159.0(3) | 86.4(3) | 82.6(3), 79.5(3) |