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Expermintal and theoretical wavenumber (cm−1) of N-(pyridin-2-yl)hydrazinecarbothioamide
| Function group | Experimental wavenumber (cm−1) | Theoretical wavenumber (cm−1) |
|---|---|---|
| ν(NH2) | 3025, 3046 | 3155, 3185 |
| ν(NH)7 | 3241 | 3589 |
| ν(NH)9 | 3160 | 3515 |
| ν(C=N)py | 1606 | 1631 |
| ν(C=C)py | 1544 | 1530 |
| ν(C–N)py | 1243 | 1270 |
| δ(C=N)py | 632 | 650 |
| ν(NH2)wag | 761 | 755 |
| ν(N–N) | 1006 | 971 |
| Thioamide (I) | 1474 | 1475 |
| Thioamide (II) | 1337 | 1330 |
| Thioamide (III) | 1143 | 1175 |
| Thioamide (IV) | 893 | 890 |
| δ(C–S) | 701 | 710 |
