Table 1: CHN elemental analysis, physical properties, and Λm of the prepared complex.
| Complexes | Co-L | Ni-L | Cu-L |
| MW | 582.4 | 582.1 | 622 |
| Yield % | 85% | 80% | 90% |
| MP (°C) | 597 | 631 | 1,010 |
| C% (Calcd) | (45.32) | (45.35) | (42.35) |
| Found | 45.52 | 45.49 | 43.90 |
| H% (Calcd) | (2.40) | (2.41) | (2.35) |
| Found | 2.31 | 2.90 | 2.62 |
| N% (Calcd) | (9.61) | (9.62) | (9.00) |
| Found | 8.28 | 7.88 | 8.76 |
| M% (Calcd) | (10.11) | (10.06) | (10.81) |
| Found | 9.50 | 10.99 | 1,074 |
| Λm | 5.6 | 9.3 | 4.5 |