Research Article
On Anomalous Fluorescence of Symmetrical Polymethine Dyes
Table 3
Calculated absorption spectrum of PMD-I.
| Type of quantum transition | Wavelength λ, nm | МО, between which there was a transition | Oscillator strength | Symmetry |
| S0 ⟶ T1 | 1146.8 | 54 ⟶ 55 | 0 | B2 ⟶ A2 – x – B1 | S0 ⟶ T2 | 684.3 | 54 ⟶ 56 | 0 | В2 ⟶ В2 – y – A1 | 53 ⟶ 55 | А2 ⟶ А2 – y – A1 | S0 ⟶ S1 | 598.9 | 54 ⟶ 55 | 1.5975 | B2 ⟶ A2 – x – B1 | π ⟶ π | S0 ⟶ S2 | 351.7 | 54 ⟶ 58 | 0.0000 | B2 ⟶ A2 – x – B1 | 51 ⟶ 55 | π ⟶ π | B2 ⟶ A2 – x – B1 | S0 ⟶ S3 | 351.5 | 54 ⟶ 57 | 0.0011 | В2 ⟶ В2 – y – A1 | 52 ⟶ 55 | π ⟶ π | А2 ⟶ А2 – y – A1 | S0 ⟶ S4 | 344.9 | 54 ⟶ 56 | 0.1673 | В2 ⟶ В2 – y – A1 | 53 ⟶ 55 | π ⟶ π | А2 ⟶ А2 – y – A1 |
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