Table 1 Physicochemical properties of the metal complexes of the Schiff base ligand, DBAPB.
No | Complex | Molecular formula | Color | %Yield | M.Wt (gm mol−1) | Elemental analysis, found % (calcd %) | Ωm (ohm−1 cm2 mol−1) | |||
|---|---|---|---|---|---|---|---|---|---|---|
% C | % H | % N | % M | |||||||
DBAPB | C20H24N6O6 | Yellow | 70 | 444.44 | 53.24 (54.05) | 5.10 (5.41) | 18.81 (18.92) | – | – | |
1 | [Cr(DBAPB)(H2O)2Cl2] | C20H27N6O8Cl2Cr | Olive green | 77 | 601.9 | 39.94 (39.87) | 5.00 (4.49) | 13.75 (13.96) | 8.00 (8.62) | 5.0 |
2 | [Mn(DBAPB)(EtOH)3Cl] | C26H41N6O9ClMn | Brown | 75 | 671.4 | 46.31 (46.47) | 6.58 (6.11) | 13.08 (12.51) | 9.29 (8.18) | 5.0 |
3 | [Co(DBAPB)(EtOH)2(H2O)Cl].H2O | C24H39N6O10ClCo | Brown | 74 | 665.4 | 43.58 (43.28) | 5.00 (5.86) | 12.45 (12.62) | 8.06 (8.85) | 4.0 |
4 | [Ni(DBAPB)(EtOH)3Cl].EtOH | C28H47N6O10ClNi | Olive green | 62 | 721.1 | 47.39 (46.59) | 6.97 (6.52) | 11.27 (11.65) | 8.41 (8.13) | 7.0 |
5 | [Cu(DBAPB)(H2O)3Cl] | C20H29N6O9ClCu | Green | 67 | 596.0 | 40.65 (40.27) | 4.56 (4.87) | 14.42 (14.09) | 10.72 (10.65) | 11. 0 |
6 | [Zn(DBAPB)(EtOH)Cl] | C22H29N6O7ClZn | yellow | 73 | 589.8 | 45.44 (44.76) | 5.56 (4.92) | 14.50 (14.24) | 10.97 (11.07) | 6.0 |
