Table 3.
Selected IR frequencies (cm-1) of [HL], (1) and (2).
| compound | ν(N-H) | ν(C=N) | ν(C-O) | ν(Co-O) |
| HL | 3421 | 1620 | 1161 | - |
| Co(HL)2Cl2 (1) | 3425 | 1619 | 1146 | 535 |
| Co(HL)2Cl2 (2) | 3425 | 1621 | 1147 | 534 |
HL:N-(2-hydroxy-1-naphthylidene)-2-methyl aniline
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