Table 4. Lifetimes for the growth and decay of the CS state.
| Dyad (solvent) | Risetime (ps) | Lifetime (ps) | Δν of ν(CO)sym of CS state (cm–1) |
| [Dyad 1 pic]OTf (PrCN)34 | <1 | 40 ± 4 | –24 |
| [Dyad 2 pic]OTf (CH2Cl2) | ca. 2 | 42 ± 2 (and 515 ± 35) | –24 |
| [Dyad 3 pic]OTf (CH2Cl2) | 8 ± 1 | 320 ± 15 | –29 |