Research Article
Polydentate Schiff Base Ligands and Their La(III) Complexes: Synthesis, Characterization, Antibacterial, Thermal, and Electrochemical Properties
Table 1
Some analytical and physical data for the imine ligands and their complexes.
| |
Compound |
Color |
Yield (%) |
M.p. (°C) | Found (Calcd) % | | | | | C | H | N |
| | H2L1 | Red | 74 | 99 | 57.92 (57.89) | 4.45 (4.42) | 6.17 (6.14) | | La2(L1)(NO3)4(H2O)4 | Brown | 70 | >250 | 53.30 (53.35) | 2.43 (2.46) | 6.25 (6.22) | | H2L2 | Yellow | 78 | 250 | 65.50 (65.70) | 4.83 (4.79) | 6.63 (6.66) | | La(L2)(NO3)(H2O) | Dark brown | 67 | >250 | 43.30 (43.34) | 3.20 (3.16) | 6.56 (6.59) | | H2L3 | Light brown | 72 | 134 | 56.10 (57.70) | 3.74 (3.76) | 6.58 (6.54) | | La2(L3)(NO3)4(H2O)4 | Black | 59 | >250 | 37.19 (37.22) | 2.48 (2.50) | 6.48 (6.51) | | H2L4 | Light brown | 68 | 250 | 57.92 (57.89) | 4.45 (4.42) | 6.10 (6.14) | | La2(L4)(NO3)4(H2O)4 | Black | 60 | >250 | 25.14 (25.11) | 2.52 (2.49) | 8.03 (7.99) |
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