Ground States and Ionization Energies: Ni

NIST Atomic Spectroscopic Database

Ground States and Ionization Energies: Ni

Nickel, Z = 28

Ni I

Ni I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p⁶3d⁸4s² ³F₄

Ionization energy 61600 ± 10 cm^-¹

References on Energy Levels, Transition Probabilities

Ni II

Co I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p⁶3d⁸4s ²D_5/2

Ionization energy 146541.56 ± .2 cm^-¹

References on Energy Levels, Transition Probabilities

Ni III

Fe I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p⁶3d⁸ ³F₄

Ionization energy 283800 ± 200 cm^-¹

References on Energy Levels, Transition Probabilities

Ni IV

Mn I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p⁶3d⁷ ⁴F_9/2

Ionization energy 443000 ± 2000 cm^-¹

References on Energy Levels, Transition Probabilities

Ni V

Cr I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p⁶3d⁶ ⁵D₄

Ionization energy 613500 ± 500 cm^-¹

References on Energy Levels, Transition Probabilities

Ni VI

V I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p⁶3d⁵ ⁶S_5/2

Ionization energy 870000 ± 16000 cm^-¹

References on Energy Levels, Transition Probabilities

Ni VII

Ti I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p⁶3d⁴ ⁵D₀

Ionization energy 1070000 ± 16000 cm^-¹

References on Energy Levels, Transition Probabilities

Ni VIII

Sc I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p⁶3d³ ⁴F_3/2

Ionization energy 1310000 ± 16000 cm^-¹

References on Energy Levels, Transition Probabilities

Ni IX

Ca I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p⁶3d² ³F₂

Ionization energy 1560000 ± 16000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni X

K I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p⁶3d ²D_3/2

Ionization energy 1812000 ± 56000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XI

Ar I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p⁶ ¹S₀

Ionization energy 2589000 ± 8000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XII

Cl I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p⁵ ²Pº_3/2

Ionization energy 2840000 ± 16000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XIII

S I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p⁴ ³P₂

Ionization energy 3100000 ± 16000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XIV

P I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p³ ⁴Sº_3/2

Ionization energy 3470000 ± 16000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XV

Si I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p² ³P₀

Ionization energy 3740000 ± 16000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XVI

Al I isoelectronic sequence

Ground state 1s²2s²2p⁶3s²3p ²Pº_1/2

Ionization energy 4020000 ± 16000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XVII

Mg I isoelectronic sequence

Ground state 1s²2s²2p⁶3s² ¹S₀

Ionization energy 4606000 ± 1000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XVIII

Na I isoelectronic sequence

Ground state 1s²2s²2p⁶3s ²S_1/2

Ionization energy 4896200 ± 500 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XIX

Ne I isoelectronic sequence

Ground state 1s²2s²2p⁶ ¹S₀

Ionization energy 12430000 ± 10000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XX

Ni I isoelectronic sequence

Ground state 1s²2s²2p⁵ ²Pº_3/2

Ionization energy 13290000 ± 27000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XXI

O I isoelectronic sequence

Ground state 1s²2s²2p⁴ ³P₂

Ionization energy 14160000 ± 28000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XXII

N I isoelectronic sequence

Ground state 1s²2s²2p³ ⁴Sº_3/2

Ionization energy 15280000 ± 30000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XXIII

C I isoelectronic sequence

Ground state 1s²2s²2p² ³P₀

Ionization energy 16220000 ± 30000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XXIV

B I isoelectronic sequence

Ground state 1s²2s²2p ²Pº_1/2

Ionization energy 17190000 ± 34000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XXV

Be I isoelectronic sequence

Ground state 1s²2s² ¹S₀

Ionization energy 18510000 ± 37000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XXVI

Li I isoelectronic sequence

Ground state 1s²2s ²S_1/2

Ionization energy 19351000 ± 5000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XXVII

He I isoelectronic sequence

Ground state 1s² ¹S₀

Ionization energy 82984000 ± 16000 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

Ni XXVIII

H I isoelectronic sequence

Ground state 1s ²S_1/2

Ionization energy 86909400 ± 500 cm^-¹

References on Energy Levels, Wavelengths, Transition Probabilities

NIST Physics Laboratory