Table 2: IR and NMR data of the PCA and the platinum complexes.
| Compound | IR data (cm−1) | 1H NMR data (ppm) | υ(NH) | υ(C=N) | υ(C=O) |
| PCA | 3,413 (s) 3,290 (m) 3,210 (sh) 3,163 (s) |
1,610 (s) 1,580 (m) |
1,714 (s) | 9.28 (d, 1Hz, Pz-CH), 8.95 (d, 8Hz, Pz-CH), 8.81 (dd, 8, 1Hz, Pz-CH), 8.42 (bs, NH), 8.02 (bs, NH) |
| [Pt(PCA)2]Cl2 (1) | 3,278 (m) 3,189 (m) 3,103 (m) 3,074 (m) |
1,692 (sh) | 1,705 (s) | 9.17 (d, 1Hz, Pz-CH), 8.88 (d, 8Hz, Pz-CH), 8.76 (dd, 8, 1Hz, Pz-CH), 8.28 (bs, NH), 7.87 (bs, NH) |
| [Pt(PCA)(Py)2]Cl2 (2) | 3,277 (m) 3,187 (m) 3,101 (m) 3,072 (m) |
1,655 (m) 1,593 (m) |
1,706 (vs) | 9.18 (d, 1 Hz, Pz-CH), 8.91 (m, Py-CH), 8.86 (d, 8Hz, Pz-CH), 8.72 (dd, 9, 1Hz, Pz-CH), 8.25 (bs, NH), 8.04 (m, Py-CH), 7.90 (bs, NH), 7.65 (m, Py-CH), 7.56 (m, Py-CH) |
| [Pt(PCA)(Bpy)]Cl2 (3) | 3,280 (m) 3,191 (m) 3,103 (m) 3,074 (m) |
1,650 (sh) 1,595 (m) |
1,706 (s) | 9.52 (d, 1Hz, Pz-CH), 9.19 (d, 8Hz, Pz-CH), 8.84 (m, Py-CH), 8.70 (dd, 7, 1Hz, Pz-CH), 8.58 (bs, NH), 8.44 (m, Py-CH), 8.32 (bs, NH), 7.84 (m, Py-CH) |
| [Pt(PCA)(Py)2Cl2]Cl2 (4) | 3,266 (m) 3,188 (m) 3,100 (m) 3,068 (m) |
1,650 (m) 1,592 (m) |
1,712 (s) | 9.23 (d, 1Hz, Pz-CH), 8.95 (m, Py-CH), 8.86 (d, 8Hz, Pz-CH), 8.76 (dd, 9, 1Hz, Pz-CH), 8.24 (bs, NH), 8.09 (m, Py-CH), 7.93 (bs, NH), 7.71 (m, Py-CH), 7.58 (m, Py-CH) |
| [Pt(PCA)(Bpy)Cl2]Cl2 (5) | 3,265 (m) 3,192 (m) 3,103 (m) 3,064 (m) |
1,644 (m) 1,590 (m) |
1,700 (s) | 9.52 (d, 1Hz, Pz-CH), 9.21 (d, 8Hz, Pz-CH), 8.87 (m, Py-CH), 8.71 (dd, 7, 1Hz, Pz-CH), 8.53 (bs, NH), 8.44 (m, Py-CH), 8.32 (bs, NH), 7.84 (m, Py-CH) |