NIST Atomic Spectroscopic Database
Ground States and Ionization Energies: Yb
Ytterbium, Z = 70
- Yb I
- Yb I isoelectronic sequence
- Ground state [Kr] 4d105s25p64f146s2 1S0
- Ionization energy 50441 ± .2 cm-1
- References on
Energy Levels
- Yb II
- Tm I isoelectronic sequence
- Ground state [Kr] 4d105s25p64f146s 2S1/2
- Ionization energy 98269 ± 50 cm-1
- References on
Energy Levels
- Yb III
- Er I isoelectronic sequence
- Ground state [Kr] 4d105s25p64f14 1S0
- Ionization energy 202070 ± 200 cm-1
- References on
Energy Levels
- Yb IV
- Ho I isoelectronic sequence
- Ground state [Kr] 4d105s25p64f13 2Fº7/2
- Ionization energy 351300 ± 800 cm-1
- References on
Energy Levels
