| 127I19F | ||
|---|---|---|
| Constant | Value (Unc.) | Ref. | 
| Y01 [MHz] | 8385.520(30) | 73011 | 
| Y11 [MHz] | -56.163(50) | |
| Y21 [MHz] | -0.080(20) | |
| Y02 [kHz] | -7.095(20) | |
| eQq0(I) [MHz] | -3438.15(20) | |
| eQq1(I) [MHz] | -3432.68(25) | |
| cI [kHz] | 90(10) | |
| µr [u] | 16.524 5703 | |
| 1.909 759(5) | a | |
a Recalculated as
 
