Research Article
Synthesis, Characterization, and Biological Activity of Some Transition Metal Complexes of N-Benzoyl-N′-2-thiophenethiocarbohydrazide
Table 3
Important IR spectral bands (cm−1) and their assignments.
| Compound | (OH) | (N–H) | (C=O)/(NCO) | Thioamide I (NH) + (CN) | Thioamide II (CN) + (NH) | Thioamide IV (C=S)/(C–S) | (N–N) |
| H2BTTH | — | 3125, 3100 | 1640 | 1460 | 1325 | 835 | 1000 | Mn(HBTTH)2 | — | 3125 | 1605 | 1485 | 1340 | 820 | 1020 | Fe(HBTTH)2(EtOH) | — | 3120 | 1605 | 1485 | 1340 | 835 | 1020 | Ni(BTTH)(H2O)2 | 3420 | — | 1580 | 1490 | 1395 | 740 | 1070 | Cu(BTTH) | — | — | 1585 | 1490 | 1400 | 745 | 1070 |
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