Table 1.
Spectroscopic properties of deoxygenated trityl radicals at 300 K. The values of isotropic hyperfine constants and peak-to-peak line widths are given in μT.
| Trityl | Solvent | Aisoa |
LWa (G; L)c | gisoa | |
|---|---|---|---|---|---|
| 1H (nb) | 14N (nb) | ||||
| FDAM3 | MeOH | 5.0 (3), 4.5 (3) | - | 5.1; 0 | 2.00277 |
| CHCl3 | 6.1 (3), 4.9 (3) | - | 5.1; 0 | 2.00282 | |
| FDAM2 | MeOH | 5.1 (2), 4.5 (2) | - | 5.2; 0 | 2.00271 |
| CHCl3 | 6.1 (2), 4.8 (2) | - | 5.0; 0 | 2.00281 | |
| FDAM1 | MeOH | 4.7 (1), 4.3 (1) | - | 4.4; 1.0 | 2.00266 |
| H2O | 4.6 (1), 5.5 (1) | - | 5.1; 0 | 2.00266 | |
| FDME3 | MeOH | 9.4 (3), 9.1 (3) | - | 5.2; 0 | 2.00274 |
| CHCl3 | 10.6 (3), 10.6 (3) | - | 5.6; 0 | 2.00278 | |
| FD | MeOH | - | - | 4.5; 0d | 2.00260 |
| H2O | - | - | 4.6; 0d | 2.00260 | |
| OX63D | MeOH | - | - | 6.0; 2.3 | 2.00267 |
| H2O | - | - | 7.5; 0 | 2.00268 | |
| DBT | MeOH | - | - | 10.0; 3.9 | 2.00266 |
| FBA3 | MeOH | <6.0(6) | 18.2 (3) | 20.0; 0 | 2.00255 |
| CHCl3 | 15.0 (3), 13.3 (3) | 15.3 (3) | 13.5; 0 | 2.00261 | |
| FP3 | MeOH | - | <10.7(3) | 39.5; 0 | 2.00252 |
| CHCl3 | - | <10.7(3) | 38.3; 0 | 2.00253 | |
a
The simulated spectra were calculated in MATLAB using the EasySpin software package. Isotropic g-factors are close to the literature values of FD (giso=2.0026)
b
n - number of equivalent nuclei
c
G and L correspond to the Gaussian and Lorentzian contributions into the linewidth
d
See Supporting Information for comparison with literature data.