Table 2.
Compounds | λ (nm) | ABS | Wave number ) (cm−1 |
Єmax (L.mol−1.cm−1) |
Assignments | Molar conductivityΛm.cm2.Mol−1 10−3M in DMSO | μeff (B.M) |
---|---|---|---|---|---|---|---|
Metformin. HCl (Met) | 260 | 0.539 | 38462 | 539 | π–π∗ | – | |
369 | 0.040 | 27100 | 40 | n–π∗ | |||
Azo dye ligand (L) | 263 | 1.207 | 38022 | 1207 | π–π∗ | – | |
312 | 0.858 | 32051 | 858 | π–π∗ | |||
386 | 1.919 | 25907 | 1919 | n–π∗ | |||
[Co(L)(Met)(H2O)2]Cl | 265 | 0.883 | 37736 | 883 | intra ligand | 60.2 | 4.86 |
386 | 0.807 | 25907 | 807 | C.T | |||
543 | 0.023 | 18416 | 23 | 4T1g(F)→4T1g(P) | |||
[Ni(L)(Met)(H2O)2]Cl | 266 | 1.363 | 37594 | 1363 | intra ligand | 53.1 | 2.88 |
390 | 1.687 | 25641 | 1687 | C.T | |||
520 | 0.024 | 19230 | 24 | 3A2g→3T1g(P) | |||
[Cu(L)(Met)(H2O)2]Cl | 263 | 0.659 | 38023 | 659 | intra ligand | 74.3 | 1.71 |
388 | 0.548 | 25773 | 548 | C.T | |||
580 | 0.011 | 10163 | 11 | 2Eg→2T2g | |||
[Cd(L)(Met)(H2O)2]Cl | 264 | 0.645 | 37879 | 645 | intra ligand | 52.8 | Dia |
391 | 1.378 | 25575 | 1378 | C.T. | |||
527 | 0.520 | 18975 | 520 | MLCT |