S. No | Compound | vCH=N | vM-N | vM-O | vOH/H2O |
1 | Cl-PTMP | 1605 cm−1 | - | - | - |
2 | Cu(II)Cl-PTMP | 1620 cm−1 | 446 cm−1 | 569 cm−1 | 3323 cm−1 |
3 | Co(II)Cl-PTMP | 1626 cm−1 | 455 cm−1 | 516 cm−1 | 3233 cm−1 |