Research Article
Spectroscopic Characterization, In Vitro Cytotoxicity, and Antioxidant Activity of Mixed Ligand Palladium(II) Chloride Complexes Bearing Nucleobases
Table 1
Major IR/cm−1 absorption bands of the palladium(II) complexes and the nucleobase ligands.
| | Complex | (NH2) | (NH2) | (C=O) | (C=N) | (NH2) | H-bonding |
| | cis-[PdCl2(cyt)(gua)] | 3424 w | 3286 s | 1705 s | 1634 s | 1605 m | 3625–2662 br | | cis-[PdCl2(cyt)(ad)] | 3416 w | 3271 w | 1672 s | 1638 w | 1590 m | 3663–2800 br | | cis-[PdCl2(cyt)(gua)] | 3323 w | 3170 w | 1698 s | 1638 s | 1567 m | 3618–2587 br | | Cytosine | 3372 w | 3166 w | 1668 s | 1620 s | 1534 m | 3500–2500 br | | Adenine | 3364 w | 3230 w | — | 1672 s | 1601 m | 3394–2500 br | | Guanine | 3308 w | 3114 w | 1705 s | 1631 s | 1563 m | 3390–2500 br |
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: antisymmetric stretching, : symmetric stretching, : symmetric bending, s: strong, w: weak, br: broad, and m: medium.
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