Research Article
Synthesis, Characterization, and Physicochemical Studies of Mixed Ligand Complexes of Inner Transition Metals with Lansoprazole and Cytosine
Table 5
IR bands of mixed ligand complexes of M-Lanso-Cyto.
| | Metal complexes | (S=O) cm−1 | (C=N) cm−1 | (C=O) cm−1 | (C–N) RING cm−1 | (M–O) | (coordinated H2O)
cm−1 | | Stretching | Bending | | |
| | Lanso | 1090 | 1590 | 547 | — | — | — | — | — | | Cyto | — | — | — | 1700 | 1276 | — | — | — | ThLansoCyto4
H2O]NO3·xH2O | 1077
1035 (s) | 1578 (s) | 529 | 1636 | 1240 (m) | 759 | 3428 | 824 | CeLansoCyto4
H2O]SO4·xH2O | 1079 | 1550 (w) | 525 | 1637 | 1232 (s) | 745 | 3450 | 821 | | GdLansoCyto4H2O]NO3·xH2O | 1038 (s) | 1573 (s) | 520 | 1637 (s) | 1255 (s) | 764 | 3490 | 821 | | NdLansoCyto4H2O]NO3·xH2O | 1052 (w) | 1554 (s) | 520/5
76 | 1633 (s) | 1242 (m) | 740 | 3450 | 859 | | SmLansoCyto4H2O]NO3·xH2O | 1080 | 1560 (s) | 520 | 1632 (s) | 1250 | 740 | 3471 | 859 |
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