NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

[skip navigation] National Institute of Standards and Technology NIST Physical Measurement Laboratory Terbium (Tb) 

Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableTerbium Atomic DataTerbium Strong LinesTerbium Neutral Atom Persistent LinesTerbium Neutral Atom Energy LevelsTerbium Singly Ionized Persistent LinesTerbium Singly Ionized Energy LevelsTerbium References
Switch to ASCII Version

Atomic Data for Terbium (Tb)

Atomic Number = 65

Atomic Weight = 158.92534

Reference E95

  Isotope   Mass   Abundance   Spin   Mag Moment 

Tb I  Ground State (1s22s22p63s23p63d104s24p64d105s25p6)4f96s2 615/2
       Ionization energy  47294 cm-1 (5.8638 eV)   Ref. WSPC78

Tb II Ground State (1s22s22p63s23p63d104s24p64d105s25p6)4f9(615/2)6s (15/2,1/28
       Ionization energy  92900 cm-1 (11.52 eV)   Ref. SR65