Table 1.
Ligand | Chelate arm length | Bond angle ϑ [°] (N(1)−Cu−N(2)) | Distance [Å] Cu−N(1)a | Distance [Å] Cu-N(2)b |
---|---|---|---|---|
1 | [5,5,5] | 78.33, 78.40, 78.44 | 2.027, 2.028, 2.032 | 2.474 |
2 | [6,6,6] | 95.02, 95.14, 95.25 | 2.017, 2.018, 2.019 | 2.393 |
3 | [7,7,7] | 75.52, 91.87, 91.51 | 2.016, 2.022, 2.032 | 4.028 |
5 | [5,6,6] | 79.05, 93.68, 94.34 | 1.986, 2.027, 2.031 | 2.472 |
10 | [6,6,6] | 99.31, 99.35, 99.43 | 2.058, 2.061, 2.063 | 2.226 |
11 | [5,5,5] | 82.25, 82.39, 82.51 | 2.056, 2.057, 2.063 | 2.252 |
N(1): the nitrogen on triazole or pyridine ring.
N(2): the central amine nitrogen.