| Compound | Bande Positions (ν en cm−1) | Assignments | Geometries | Molar conductivity S∙mol−1∙cm2 |
| LI | 21740 | π π* | — | — |
| [(VO)2(L2)2] | 28248 | MLCT | Square pyramidal | 18.25 |
| [Co2(L2)(L3)2(H2O)](NO3)3 | 21362 28011 | MLCT | Square pyramidal | 295.45 |
| [Cu2(L2)2(L3)2](NO3)2∙H2O | 13869 | 2B1g 2A1g | Distorted square planar | 204.34 |