Table 4.
Data about the ligand's (HL) thermal analyses and its complexes (1–3).
| Compound | Step | Temperature range (°C) | mass loss (calc.)% | Identification |
|---|---|---|---|---|
| HL | 1St | 170–420 | 50.66 (50.67) | Loss of C12H12ON3 |
| 2nd | 418–650 | 46.50 (46.49) | Loss of C9H7ClO2N | |
| Residue | 630–750 | 2.84 (2.84) | Residue: C atom | |
| (1) | 1St | 70–120 | 2.98 (3.03) | Loss of H2O (solv.) |
| 2nd | 120–353 | 37.12 (37.08) | Loss of 2H2O(coord.)+CH3COO + C6H9ON2 | |
| 3rd | 353–575 | 26.27 (45.25) | Loss of C15H9ClN2O | |
| Residue | 575–750 | 14.63 (14.64) | Residue: C atom + CoO | |
| (2) | 1St | 70–97 | 3.02 (3.03) | Loss of H2O (solv.) |
| 2nd | 145–345 | 37.07 (37.10) | Loss of 2H2O(coord.)+CH3COO + C6H9ON2 | |
| 3rd | 345–524 | 47.32 (47.29) | Loss of C16H9ClN2O | |
| Residue | 524–750 | 12.59 (12.58) | Residue: NiO | |
| (3) | 1St | 70–269 | 18.88 (18.89) | Loss of H2O (solv.)+2H2O(coord.)+CH3COO |
| 2nd | 269–579 | 65.82 (65.81) | Loss of C21H18ClO2N4 | |
| Residue | 579–750 | 15.30 (15.30) | Residue: C + CuO |