NIST Atomic Spectroscopic Database
Ground States and Ionization Energies: Cu
Copper, Z = 29
- Cu I
- Cu I isoelectronic sequence
- Ground state 1s22s22p63s23p63d104s 2S1/2
- Ionization energy 62317.44 ± .1 cm-1
- References on
Energy Levels
- Cu II
- Ni I isoelectronic sequence
- Ground state 1s22s22p63s23p63d10 1S0
- Ionization energy 163669.2 ± .5 cm-1
- References on
Energy Levels
- Cu III
- Co I isoelectronic sequence
- Ground state 1s22s22p63s23p63d9 2D5/2
- Ionization energy 297140 ± 100 cm-1
- References on
Energy Levels
- Cu IV
- Fe I isoelectronic sequence
- Ground state 1s22s22p63s23p63d8 3F4
- Ionization energy 462800 ± 400 cm-1
- References on
Energy Levels
- Cu V
- Mn I isoelectronic sequence
- Ground state 1s22s22p63s23p63d7 4F9/2
- Ionization energy 644000 ± 6000 cm-1
- References on
Energy Levels
- Cu VI
- Cr I isoelectronic sequence
- Ground state 1s22s22p63s23p63d6 5D4
- Ionization energy 831000 ± 8000 cm-1
- References on
Energy Levels
- Cu VII
- V I isoelectronic sequence
- Ground state 1s22s22p63s23p63d5 6S5/2
- Ionization energy 1120000 ± 8000 cm-1
- References on
Energy Levels
- Cu VIII
- Ti I isoelectronic sequence
- Ground state 1s22s22p63s23p63d4 5D0
- Ionization energy 1340000 ± 16000 cm-1
- References on
Energy Levels
- Cu IX
- Sc I isoelectronic sequence
- Ground state 1s22s22p63s23p63d3 4F3/2
- Ionization energy 1605000 ± 16000 cm-1
- References on
Energy Levels
- Cu X
- Ca I isoelectronic sequence
- Ground state 1s22s22p63s23p63d2 3F2
- Ionization energy 1870000 ± 16000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XI
- K I isoelectronic sequence
- Ground state 1s22s22p63s23p63d 2D3/2
- Ionization energy 2140000 ± 2000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XII
- Ar I isoelectronic sequence
- Ground state 1s22s22p63s23p6 1S0
- Ionization energy 2975000 ± 30000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XIII
- Cl I isoelectronic sequence
- Ground state 1s22s22p63s23p5 2Pº3/2
- Ionization energy 3234000 ± 30000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XIV
- S I isoelectronic sequence
- Ground state 1s22s22p63s23p4 3P2
- Ionization energy 3508000 ± 30000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XV
- P I isoelectronic sequence
- Ground state 1s22s22p63s23p3 4Sº3/2
- Ionization energy 3903000 ± 40000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XVI
- Si I isoelectronic sequence
- Ground state 1s22s22p63s23p2 3P0
- Ionization energy 4194000 ± 40000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XVII
- Al I isoelectronic sequence
- Ground state 1s22s22p63s23p 2Pº1/2
- Ionization energy 4493000 ± 48000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XVIII
- Mg I isoelectronic sequence
- Ground state 1s22s22p63s2 1S0
- Ionization energy 5105000 ± 48000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XIX
- Na I isoelectronic sequence
- Ground state 1s22s22p63s 2S1/2
- Ionization energy 5408660 ± 250 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XX
- Ne I isoelectronic sequence
- Ground state 1s22s22p6 1S0
- Ionization energy 13630000 ± 140000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XXI
- F I isoelectronic sequence
- Ground state 1s22s22p5 2Pº3/2
- Ionization energy 14550000 ± 150000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XXII
- O I isoelectronic sequence
- Ground state 1s22s22p4 3P2
- Ionization energy 15450000 ± 150000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XXIII
- N I isoelectronic sequence
- Ground state 1s22s22p3 4Sº3/2
- Ionization energy 16620000 ± 160000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XXIV
- C I isoelectronic sequence
- Ground state 1s22s22p2 3P0
- Ionization energy 17600000 ± 180000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XXV
- B I isoelectronic sequence
- Ground state 1s22s22p 2Pº1/2
- Ionization energy 18620000 ± 180000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XXVI
- Be I isoelectronic sequence
- Ground state 1s22s2 1S0
- Ionization energy 19986000 ± 200000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XXVII
- Li I isoelectronic sequence
- Ground state 1s22s 2S1/2
- Ionization energy 20870000 ± 10000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XXVIII
- He I isoelectronic sequence
- Ground state 1s2 1S0
- Ionization energy 89224060 ± 5000 cm-1
- References on
Energy Levels,
Wavelengths
- Cu XXIX
- H I isoelectronic sequence
- Ground state 1s 2S1/2
- Ionization energy 93299090 ± 30 cm-1
- References on
Energy Levels,
Wavelengths
