Index | Element | I.S. |  Z  | Conf. | Level | ¡÷E (eV) | Method | Ref. | |
1 | Co | Be | 27 | 1S22S2 | 2114.24 | +2.1E-1 | THR | R10 | |
2 | Co | Be | 27 | 1S22S2 | 2118.9 | +2.E-1 | EXP | R26 | |
3 | Co | Be | 27 | 2S2 | 1S0 | 2119 | 4.E0 | COMP | R401 |
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'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