Table 2.
orbital energy (eV) | |||
---|---|---|---|
species | HOMO | LUMO | excitation energies (eV) |
1 | −6.49 | −3.59 | 2.24 (2.30) |
2 | −6.36 | −3.72 | 1.78 (1.76), 2.06 (2.14), 2.80 (2.48) |
3 | −6.42 | −3.99 | 1.63 (1.49), 1.90 (1.91), 2.65 (2.53) |
TD-DFT calculations performed at PBE0-D3(BJ)/basis-III/SMD-(THF)//B3LYP-D3(BJ)/basis-I level of theory.
Experimental excitation energies are provided in parentheses for comparison.