NIST Atomic Spectroscopic Database
Ground States and Ionization Energies: P
Phosphorus, Z = 15
- P I
- P I isoelectronic sequence
- Ground state 1s22s22p63s23p3 4Sº3/2
- Ionization energy 84580.83 ± .12 cm-1
- References on
Energy Levels
- P II
- Si I isoelectronic sequence
- Ground state 1s22s22p63s23p2 3P0
- Ionization energy 159451.5 ± 1 cm-1
- References on
Energy Levels
- P III
- Al I isoelectronic sequence
- Ground state 1s22s22p63s23p 2Pº1/2
- Ionization energy 243600.7 ± .7 cm-1
- References on
Energy Levels
- P IV
- Mg I isoelectronic sequence
- Ground state 1s22s22p63s2 1S0
- Ionization energy 414922.8 ± 1 cm-1
- References on
Energy Levels
- P V
- Na I isoelectronic sequence
- Ground state 1s22s22p63s 2S1/2
- Ionization energy 524462.9 ± 1 cm-1
- References on
Energy Levels
- P VI
- Ne I isoelectronic sequence
- Ground state 1s22s22p6 1S0
- Ionization energy 1777820 ± 100 cm-1
- References on
Energy Levels
- P VII
- F I isoelectronic sequence
- Ground state 1s22s22p5 2Pº3/2
- Ionization energy 2125800 ± 500 cm-1
- References on
Energy Levels
- P VIII
- O I isoelectronic sequence
- Ground state 1s22s22p4 3P2
- Ionization energy 2497100 ± 800 cm-1
- References on
Energy Levels
- P IX
- N I isoelectronic sequence
- Ground state 1s22s22p3 4Sº3/2
- Ionization energy 3001400 ± 1500 cm-1
- References on
Energy Levels
- P X
- C I isoelectronic sequence
- Ground state 1s22s22p2 3P0
- Ionization energy 3423200 ± 2000 cm-1
- References on
Energy Levels
- P XI
- B I isoelectronic sequence
- Ground state 1s22s22p 2Pº1/2
- Ionization energy 3867100 ± 2000 cm-1
- References on
Energy Levels
- P XII
- Be I isoelectronic sequence
- Ground state 1s22s2 1S0
- Ionization energy 4523000 cm-1
- References on
Energy Levels
- P XIII
- Li I isoelectronic sequence
- Ground state 1s22s 2S1/2
- Ionization energy 4934000 ± 600 cm-1
- References on
Energy Levels
- P XIV
- He I isoelectronic sequence
- Ground state 1s2 1S0
- Ionization energy 22719920 ± 350 cm-1
- References on
Energy Levels
- P XV
- H I isoelectronic sequence
- Ground state 1s 2S1/2
- Ionization energy 24759942.5 ± 3 cm-1
- References on
Energy Levels
