Research Article
Binuclear Cu(II) and Co(II) Complexes of Tridentate Heterocyclic Shiff Base Derived from Salicylaldehyde with 4-Aminoantipyrine
Table 2
Characteristic IR and electronic spectral data of the metal complexes.
| No. | Complexes | UV/ VIS λ max (cm−1) | μ
eff. BM | IR spectra cm−1 | υC=O | υC=N | υC–O | υM–N | υM–O |
| 1 | [Cu2(L1)2 H2O] | 11085, 16595, 27990 | 0.9 | 1650 s | 1600 m | 1265 s | 460 w | 530 w | 2 | [Cu2(L2)2(H2O)4] | 11080, 16590, 27995 | 1.69 | 1670 s | 1610 m | 1260 s | 465 w | 535 w | 3 | [Co2(L1)2H2O] | 10370, 14380, 18720, 35690 | 5.04 | 1665 s | 1610 m | 1270 s | 470 w | 520 w | 4 | [Co2(L2)2(H2O)4] | 10375, 14385, 18725, 35695 | 4.90 | 1660 s | 1590 m | 1270 s | 460 w | 515 w |
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