Research Article
Synthesis, Spectroscopic, and Magnetic Studies of Mono- and Polynuclear Schiff Base Metal Complexes Containing Salicylidene-Cefotaxime Ligand
Table 1
Main IR wavenumbers (cm−1).
| Compound | ν(C=O) | ν(C=N) | ν(COO) | ν(COO) | Δν | lactam | imine | asymm. | sym. |
| Schiff base | 1740 | 1650 | | | | Co(L) | 1730 | 1630 | 1550 | 1340 | 210 | Ni(L) | 1730 | 1630 | 1580 | 1360 | 220 | Cu(L) | 1730 | 1630 | 1580 | 1360 | 220 | Ag2(L)(OAc)2 | 1750 | 1640 | 1590 | 1380 | 210 | Ni4(L)(OH)6 | 1750 | 1640 | 1580 | 1370 | 210 | Cu4(L)(OH)6 | 1750 | 1640 | 1570 | 1360 | 210 |
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