Species λh λe h
1 0.142 0.150 2.827
2 0.328 0.180 2.837
3 0.292 0.156 2.790
4 0.315 0.216 2.670
5 0.304 0.110 2.893
6 0.294 0.122 2.866
Table 4: Calculated molecular λe, λh, and η (all in eV) of 1–6 at the B3LYP/6-
31G(d,p) level.