NIST Atomic Spectroscopic Database
Ground States and Ionization Energies: Mo
Molybdenum, Z = 42
- Mo I
- Mo I isoelectronic sequence
- Ground state [Kr] 4d55s 7S3
- Ionization energy 57204.3 ± .3 cm-1
- References on
Energy Levels
- Mo II
- Nb I isoelectronic sequence
- Ground state [Kr] 4d5 6S5/2
- Ionization energy 130300 ± 1000 cm-1
- References on
Energy Levels
- Mo III
- Zr I isoelectronic sequence
- Ground state [Kr] 4d4 5D0
- Ionization energy 218800 ± 1000 cm-1
- References on
Energy Levels
- Mo IV
- Y I isoelectronic sequence
- Ground state [Kr] 4d3 4F3/2
- Ionization energy 374000 ± 2000 cm-1
- References on
Energy Levels
- Mo V
- Sr I isoelectronic sequence
- Ground state [Kr] 4d2 3F2
- Ionization energy 439450 ± 200 cm-1
- References on
Energy Levels
- Mo VI
- Rb I isoelectronic sequence
- Ground state [Kr] 4d 2D3/2
- Ionization energy 555132 ± 2 cm-1
- References on
Energy Levels,
Wavelengths
- Mo VII
- Kr I isoelectronic sequence
- Ground state 1s22s22p63s23p63d104s24p6 1S0
- Ionization energy 1013550 ± 150 cm-1
- References on
Energy Levels,
Wavelengths
- Mo VIII
- Br I isoelectronic sequence
- Ground state 1s22s22p63s23p63d104s24p5 2Pº3/2
- Ionization energy 1157900 ± 8000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo IX
- Se I isoelectronic sequence
- Ground state 1s22s22p63s23p63d104s24p4 3P2
- Ionization energy 1323700 ± 700 cm-1
- References on
Energy Levels,
Wavelengths
- Mo X
- As I isoelectronic sequence
- Ground state 1s22s22p63s23p63d104s24p3 4Sº3/2
- Ionization energy 1503000 ± 10000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XI
- Ge I isoelectronic sequence
- Ground state 1s22s22p63s23p63d104s24p2 3P0
- Ionization energy 1688000 ± 10000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XII
- Ga I isoelectronic sequence
- Ground state 1s22s22p63s23p63d104s24p 2Pº1/2
- Ionization energy 1857300 ± 500 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XIII
- Zn I isoelectronic sequence
- Ground state 1s22s22p63s23p63d104s2 1S0
- Ionization energy 2251000 ± 4000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XIV
- Cu I isoelectronic sequence
- Ground state 1s22s22p63s23p63d104s 2S1/2
- Ionization energy 2440600 ± 300 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XV
- Ni I isoelectronic sequence
- Ground state 1s22s22p63s23p63d10 1S0
- Ionization energy 4388000 ± 4000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XVI
- Co I isoelectronic sequence
- Ground state 1s22s22p63s23p63d9 2D5/2
- Ionization energy 4600000 ± 180000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XVII
- Fe I isoelectronic sequence
- Ground state 1s22s22p63s23p63d8 3F4
- Ionization energy 5130000 ± 480000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XVIII
- Mn I isoelectronic sequence
- Ground state 1s22s22p63s23p63d7 4F9/2
- Ionization energy 5660000 ± 560000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XIX
- Cr I isoelectronic sequence
- Ground state 1s22s22p63s23p63d6 5D4
- Ionization energy 6190000 ± 240000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XX
- V I isoelectronic sequence
- Ground state 1s22s22p63s23p63d5 6S1/2
- Ionization energy 6720000 ± 270000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXI
- Ti I isoelectronic sequence
- Ground state 1s22s22p63s23p63d4 5D0
- Ionization energy 7280000 ± 290000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXII
- Sc I isoelectronic sequence
- Ground state 1s22s22p63s23p63d3 4F3/2
- Ionization energy 7810000 ± 310000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXIII
- Ca I isoelectronic sequence
- Ground state 1s22s22p63s23p63d2 3F2
- Ionization energy 8230000 ± 80000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXIV
- K I isoelectronic sequence
- Ground state 1s22s22p63s23p63d 2D3/2
- Ionization energy 8730000 ± 90000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXV
- Ar I isoelectronic sequence
- Ground state 1s22s22p63s23p6 1S0
- Ionization energy 10190000 ± 100000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXVI
- Cl I isoelectronic sequence
- Ground state 1s22s22p63s23p5 2Pº3/2
- Ionization energy 10670000 ± 100000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXVII
- S I isoelectronic sequence
- Ground state 1s22s22p63s23p4 3P2
- Ionization energy 11190000 ± 110000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXVIII
- P I isoelectronic sequence
- Ground state 1s22s22p63s23p3 4Sº3/2
- Ionization energy 11690000 ± 110000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXIX
- Si I isoelectronic sequence
- Ground state 1s22s22p63s23p2 3P0
- Ionization energy 12380000 ± 130000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXX
- Al I isoelectronic sequence
- Ground state 1s22s22p63s23p 2Pº1/2
- Ionization energy 12910000 ± 130000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXXI
- Mg I isoelectronic sequence
- Ground state 1s22s22p63s2 1S0
- Ionization energy 13920000 ± 140000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXXII
- Na I isoelectronic sequence
- Ground state 1s22s22p63s 2S1/2
- Ionization energy 14448000 ± 5000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXXIII
- Ne I isoelectronic sequence
- Ground state 1s22s22p6 1S0
- Ionization energy 34340000 ± 340000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXXIV
- F I isoelectronic sequence
- Ground state 1s22s22p5 2Pº3/2
- Ionization energy 35730000 ± 350000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXXV
- O I isoelectronic sequence
- Ground state 1s22s22p4 3P2
- Ionization energy 37240000 ± 370000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXXVI
- N I isoelectronic sequence
- Ground state 1s22s22p3 4Sº3/2
- Ionization energy 38700000 ± 390000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXXVII
- C I isoelectronic sequence
- Ground state 1s22s22p2 3P0
- Ionization energy 41130000 ± 410000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXXVIII
- B I isoelectronic sequence
- Ground state 1s22s22p 2Pº1/2
- Ionization energy 42720000 ± 430000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XXXIX
- Be I isoelectronic sequence
- Ground state 1s22s2 1S0
- Ionization energy 44730000 ± 440000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XL
- Li I isoelectronic sequence
- Ground state 1s22s 2S1/2
- Ionization energy 46065200 ± 5000 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XLI
- He I isoelectronic sequence
- Ground state 1s2 1S0
- Ionization energy 191892800 ± 800 cm-1
- References on
Energy Levels,
Wavelengths
- Mo XLII
- H I isoelectronic sequence
- Ground state 1s 2S1/2
- Ionization energy 198188330 ± 200 cm-1
- References on
Energy Levels,
Wavelengths
