Research Article
Syntheses, Characterization, Resolution, and Biological Studies of Coordination Compounds of Aspartic Acid and Glycine
Table 1
Relevant IR bands for the ligands and compounds.
| | Compound | (N–H) (cm−1) | (COO-) (cm−1) | () (cm−1) | ν(M–N) (cm−1) | ν(M–O) (cm−1) |
| | Aspartic acid | 3380w | 1650s | 1583s | | | | Glycine | 3119br | 1615s | | | | | Na[Cu(L1)3] | 3380br | 1666br | 1547s | 595br | 682m | | Na[Cd(L1)3] | 3547,3452br | 1684m | 1512br | 599s | 658s | | Na[Ni(L1)3] | 3497br | — | 1527w | 595s | 629s | | Na[Co(L1)3] | 3404w,br | 1654s | 1547s | 598s | 668s | | Na[Mn(L1)3] | — | 1681s | 1506s | 549s | 601s | | 3333br | 1632br | 1416br | 501s | 695s | | Na[Co(L2)3] | 3428br | 1621s | 1454s | 509s | 672s |
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w: weak; m: medium; s: strong; br: broad.
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