Table 8.
T1 and full-width at half max (FWHM) of observed 19F resonance for representative ligands and corresponding transition metal-based complexes.
19F resonance | Equiv. protons | T1 (ms) | FWHM (Hz) | FWHM (ppm) | |
---|---|---|---|---|---|
DOTAm-F12156 | −CF3 | 12 | 880a | 0.59a,b | 0.0017a,b |
Fe- DOTAm-F12156 | −CF3 | 12 | 5.7a | 103a,b | 0.20a,b |
Ni-L7160 | −CF3 | 3 | 0.03a | 13a,b | 0.047a,b |
Ni-L8160 | −CF3 | 6 | 0.01a | 40a,b | 0.14a,b |
7.0T
calculated from T2, assuming T2 ~ 1/(Δν1/2*π).