Table 2. 1H NMR data of DAPH and Ni–DAPH complex.
| Position | Spectral data (δ (ppm)/J coupling constant) | |
|---|---|---|
| Ligand DAPH | Ni–DAPH complex | |
| (14H) | 6.25 (d, J = 9.4) | 6.70 (d, J = 9.4) |
| (15H) | 7.98 (d, J = 9.4) | 7.95 (d, J = 9.4) |
| (17H) | 7.03 (d, J = 8.5) | 8.41 (d, J = 8.5) |
| (16H) | 6.98 (d, J = 8.5) | 7.32 (d, J = 8.5) |