| Atom | EBE-1S (eV) (observed)i | Calculated from Equation (20) |
| H | 13.6 | 14.0 |
| He | 24.6 | 25.3 |
| Li | 54.7 | 57.9 |
| Be | 111.5 | 111.7 |
| B | 188.0 | 186.6 |
| C | 284.2 | 282.7 |
| N | 409.9 | 400.1 |
| O | 543.1 | 538.6 |
| F | 696.7 | 698.3 |
| Ne | 870.2 | 879.2 |
| Na | 1070.8 | 1081.4 |
| Mg | 1303.0 | 1304.7 |
| Al | 1559.6 | 1549.2 |