Table 3. Values of the Emission Dissymmetry Factor glum and 4G5/2 SmIII Excited-State Lifetimes of the Samarium(III) Complexes under Investigation Dissolved in Different Solventsa.
solvent |
||||||
---|---|---|---|---|---|---|
glum |
observed
lifetime (μs) |
|||||
complex | DCM | MeOH | AN | DCM | MeOH/CD3OD | AN |
(S,S)-[SmL(tta)2(H2O)]·CF3SO3 | +0.007 | +0.035 | +0.03 | 28.1(1) | 17.9(1)/37.8(1) | 25.2(1) |
(R,R)-[SmL(tta)2]·NO3 | –0.016 | –0.034 | –0.015 | 28.3(1) | 18.6(1)/32.6(1) | 25.6(1) |
The glum values refer to the positive band of the 4G5/2 → 6H7/2 transition in the case of (S,S)-[SmL(tta)2(H2O)]·CF3SO3 and to the negative band in the case of (R,R)-[SmL(tta)2]·NO3.