On Anomalous Fluorescence of Symmetrical Polymethine Dyes

Table 2

Quantum transitions allowed by the symmetry group C_2v with absorption or emission of light.

МО	σ-А1	π-А2	σ-В1	π-В2
σ-А1	y-A1	– А2	x-В1	z-В2
π-А2	– А2	y-A1	z-В2	x-В1
σ-В1	x-В1	z-В2	y-A1	– А2
π-В2	z-В2	x-В1	– А2	y-A1