NIST Atomic Spectroscopic Database
Ground States and Ionization Energies: Si
Silicon, Z = 14
- Si I
- Si I isoelectronic sequence
- Ground state 1s22s22p63s23p2 3P0
- Ionization energy 65747.76 ± .25 cm-1
- References on
Energy Levels
- Si II
- Al I isoelectronic sequence
- Ground state 1s22s22p63s23p 2Pº1/2
- Ionization energy 131838.14 ± .3 cm-1
- References on
Energy Levels
- Si III
- Mg I isoelectronic sequence
- Ground state 1s22s22p63s2 1S0
- Ionization energy 270139.3 ± .7 cm-1
- References on
Energy Levels
- Si IV
- Na I isoelectronic sequence
- Ground state 1s22s22p63s 2S1/2
- Ionization energy 364093.1 ± .6 cm-1
- References on
Energy Levels
- Si V
- Ne I isoelectronic sequence
- Ground state 1s22s22p6 1S0
- Ionization energy 1345070 ± 25 cm-1
- References on
Energy Levels
- Si VI
- F I isoelectronic sequence
- Ground state 1s22s22p5 2Pº3/2
- Ionization energy 1655590 ± 150 cm-1
- References on
Energy Levels
- Si VII
- O I isoelectronic sequence
- Ground state 1s22s22p4 3Pº2
- Ionization energy 1988000 ± 246.5 cm-1
- References on
Energy Levels
- Si VIII
- N I isoelectronic sequence
- Ground state 1s22s22p3 4Sº3/2
- Ionization energy 2448200 ± 303.54 cm-1
- References on
Energy Levels
- Si IX
- C I isoelectronic sequence
- Ground state 1s22s22p2 3P0
- Ionization energy 2832000 ± 1000 cm-1
- References on
Energy Levels
- Si X
- B I isoelectronic sequence
- Ground state 1s22s22p 2Pº1/2
- Ionization energy 3237300 ± 450 cm-1
- References on
Energy Levels
- Si XI
- Be I isoelectronic sequence
- Ground state 1s22s2 1S0
- Ionization energy 3842100 cm-1
- References on
Energy Levels
- Si XII
- Li I isoelectronic sequence
- Ground state 1s22s 2S1/2
- Ionization energy 4221670 ± 300 cm-1
- References on
Energy Levels
- Si XIII
- He I isoelectronic sequence
- Ground state 1s2 1S0
- Ionization energy 19660800 ± 800 cm-1
- References on
Energy Levels
- Si XIV
- H I isoelectronic sequence
- Ground state 1s 2S1/2
- Ionization energy 21560658 ± 80 cm-1
- References on
Energy Levels
