Table 2. Values of the Emission Dissymmetry Factor glum and 5D0 EuIII Excited-State Lifetimes of the Europium(III) Complexes under Investigation Dissolved in Different Solventsa.
solvent |
||||||
---|---|---|---|---|---|---|
glum |
observed
lifetime (ms) |
|||||
complex | DCM | MeOH | AN | DCM | MeOH/CD3OD | AN |
(R,R)-[EuL(tta)2(H2O)]·CF3SO3 | –0.23 | +0.17 | +0.11 | 0.54(1) | 0.57(1)/0.75(1) | 0.44(1) |
(R,R)-[EuL(tta)2]·NO3 | –0.05 | +0.07 | –0.02 | 0.53(1) | 0.42(1)/0.52(1) | 0.53(1) |
The glum values refer to the most intense component of the 5D0 →7F1 transition.