| n2 | Observed in air | Non-relativistic in air | Difference | Haug in air | Difference | Suto in air | Difference |
| 3 | 656.28 | 656.279 | −0.0001% | 656.270 | −0.0016% | 656.289 | 0.0013% |
| 4 | 486.13 | 486.133 | 0.0006% | 486.127 | −0.0007% | 486.139 | 0.0018% |
| 5 | 434.05 | 434.047 | −0.0007% | 434.042 | −0.0018% | 434.052 | 0.0005% |
| 6 | 410.17 | 410.175 | 0.0011% | 410.170 | 0.0000% | 410.179 | 0.0022% |
| 7 | 397.005 | 397.008 | 0.0009% | 397.004 | −0.0002% | 397.013 | 0.0020% |