Ground States and Ionization Energies: Ho

NIST Atomic Spectroscopic Database

Ground States and Ionization Energies: Ho

Holmium, Z = 67

Ho I

Ho I isoelectronic sequence

Ground state [Kr] 4d¹⁰5s²5p⁶4f¹¹6s² ⁴Iº₁_5/2

Ionization energy 48567 ± 5 cm^-¹

References on Energy Levels

Ho II

Dy I isoelectronic sequence

Ground state [Kr] 4d¹⁰5s²5p⁶4f¹¹6s ⁴Iº₁_5/2

Ionization energy 95200 ± 600 cm^-¹

References on Energy Levels

Ho III

Tb I isoelectronic sequence

Ground state [Kr] 4d¹⁰5s²5p⁶4f¹¹ ⁴Iº₁_5/2

Ionization energy 184200 ± 800 cm^-¹

References on Energy Levels

Ho IV

Gd I isoelectronic sequence

Ground state [Kr] 4d¹⁰5s²5p⁶4f¹⁰ ⁵I₈

Ionization energy 343000 ± 5000 cm^-¹

References on Energy Levels

NIST Physics Laboratory