NIST Atomic Spectroscopic Database
Ground States and Ionization Energies: Ce
Cerium, Z = 58
- Ce I
- Ce I isoelectronic sequence
- Ground state [Kr] 4d105s25p64f5d6s2 1Gº4
- Ionization energy 44672 ± 3 cm-1
- References on
Energy Levels
- Ce II
- La I isoelectronic sequence
- Ground state [Kr] 4d105s25p64f5d2 4Hº7/2
- Ionization energy 87500 ± 600 cm-1
- References on
Energy Levels
- Ce III
- Ba I isoelectronic sequence
- Ground state [Kr] 4d105s25p64f2 3H4
- Ionization energy 162903 ± 20 cm-1
- References on
Energy Levels
- Ce IV
- Cs I isoelectronic sequence
- Ground state [Kr] 4d105s25p64f 2Fº5/2
- Ionization energy 296470 ± 40 cm-1
- References on
Energy Levels
- Ce V
- Xe I isoelectronic sequence
- Ground state [Kr] 4d105s25p6 1S0
- Ionization energy 528700 ± 2000 cm-1
- References on
Energy Levels
- Ce VI
- I I isoelectronic sequence
- Ground state [Kr] 4d105s25p5 2Pº3/2
- Ionization energy 626000 ± 10000 cm-1
- References on
Energy Levels
