Compounds | Abs. max. cm−1 | Tentative assignment | ||
Ligand (L) | 39,525 26,881 | π®π* n®π* | ||
[CuL1]Cl2 | 45,248 39,840 27,322 | π®π* π®π* n®π* | ||
[CuL1](NO3)2 | 40,000 26,178 21,739 | π®π* n®π* d-d transition | ||