Research Article
Transition Metal(II) Complexes with Cefotaxime-Derived Schiff Base: Synthesis, Characterization, and Antimicrobial Studies
Table 3
Absorption maxima from electronic spectra, magnetic moments, and crystal field parameters for Schiff base (L) and its complexes.
| | Compound | Absorption maxima (cm−1) | Assignments | (B.M.) | Crystal field parameters | | 10Dq (cm1) | (cm−1) | |
| | L | 38460
28570 |
| — | — | — | — | | CoL2(H2O)2 | 22936
19305 ()
9570 () |
4T1g(F) → 4T1g(P)
4T1g → 4T2g(F) | 4.78 | 1071 | 724 | 0.748 | | CuL2(H2O)2 | 23094
14290 () |
| 1.86 | 1429 | — | — | | NiL2(H2O)2 | 27070
24880 ()
16630 ()
10120 () |
3A2g(F) → 3T1g(P)
3A2g(F) → 3T1g(F)
3A2g(F) → 3T2g(F) | 3.12 | 1012 | 793 | 0.752 | | ZnL2(H2O)2 | 19800 | C.T. (L → M) | | — | — | — |
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