Index | Element | I.S. |  Z  | Conf. | Level | ¡÷E (eV) | Method | Ref. | |
1 | Fe | Be | 26 | 1S22S2 | 1946.19 | +1.9E-1 | THR | R10 | |
2 | Fe | Be | 26 | 1S22S2 | 1958.5 | +1.7E-1 | EXP | R25 | |
3 | Fe | Be | 26 | 2S2 | 1S0 | 1958.6 | COMP | R303 | |
4 | Fe | Be | 26 | 2S2 | 1S0 | 1958.6 | 3.7E0 | COMP | R401 |
5 | Fe | Be | 26 | 2S2 | 1S0 | 1950 | COMP | R404 |
¡¾Close¡¿
'I.S.' ---------- the isoelectronic sequence
'Z' ---------- atomic number
'Conf.' ---------- configuration
'Level' ---------- the notation of energy level
'E' ---------- the ionization potential
'¡÷E' ---------- error for ionization potential
'Method' ---------- the method by which the data is produced
'Ref.' ---------- the reference