Table 6 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 |