Table 3: The FT-IR spectra of H2L (A1) and its metal complexes.
(H2O/OH) | N-H | Ar C-H | C=N | C−O | M−O | M−N | |
H2L (A1) | 3403–3305 | 3287 | 2922 | 1637 | 1374, 1244 | — | — |
Mn(L)2 | 3446–3440 | 3286 | 2923 | 1604 | 1249 | 648 | 563 |
Fe(C8H9N2O)3 | 2925 | 1608 | 1246 | 637 | 498 | ||
Fe(L)3 | |||||||
Co(L)2 | 3287 | 2925 | 1605 | 1244 | 661 | 579 | |
Ni(L)22H2O | 33465–3433 | 2924 | 1607 | 1245 | 662 | 497 | |
Cu(L)2·2H2O | 3448–3440 | 2924 | 1623 | 1200 | 608 | 548 | |
Zn(L)2 | 3231 | 2924 | 1605 | 1245 | 661 | 575 | |
Hg(L)2 | 3209 | 2926 | 1605 | 1244 | 662 | 601 | |
Ce(C8H9N2O)2 | 2929 | 1608 | 1247 | 662 | 566 | ||
Ce(L)3 | |||||||
UO2(L)2H2O | 3445–3435 | 2926 | 1605 | 1247 | 662 | 576 | |