Research Article
Metal Complexes of Macrocyclic Schiff-Base Ligand: Preparation, Characterisation, and Biological Activity
Table 3
Magnetic moment and UV-Vis spectral data in DMF solutions.
| Compound | μ
eff (BM) | Band position (λ nm) | Extinction coefficient (dm3 mol−1cm−1) | Assignments |
| Na4L | | 295 | 920 | | 322 | 850 | CT |
| (L)Cl4 | 5.11 | 267 | 640 | | 318 | 530 | CT | 423 | 360 |
6A1g→4T1g |
| (L)Cl4 | 3.40 | 278 | 860 | | 343 | 432 | CT | 461 | 123 |
4T1g(F)→4T1g(P) |
| (L)Cl4 | 0.02 | 271 | 758 | | 316 | 410 | CT | 664 | 87 |
1A1g→1A2g |
| (L)Cl4 | 1.51 | 283 | 323 | | 303 | 212 | CT | 462 | 103 |
2B1g→2Eg |
| (L)Cl4 | Diamagnetic | 291 | 574 | | 311 | 1235 | CT |
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