Neutral AtomSingly Ionized Atom
Finding listPeriodic TableAtomic DataStrong LinesNeutral Atom Persistent Lines Neutral Atom Energy LevelsSingly Ionized Persistent LinesSingly Ionized Energy LevelsReferences

Atomic Data for Promethium (Pm)

Atomic Number = 61

Atomic Weight = 145

Reference = E95


Isotope    Mass        Abundance Spin Mag Moment

145Pm      144.912743  0         5/2  
146Pm      145.914708  0         3    
147Pm      146.915135  0         7/2  +2.7
149Pm      148.918332  0         7/2  +-3.3
151Pm      150.921203  0         5/2  +-1.8

 
Pm I  Ground State (1s22s22p63s23p63d104s24p64d105s25p6)4f56s2  6H°5/2
      Ionization energy  45020 cm-1 (5.582 eV)   Ref. WSPC78
 
Pm II Ground State (1s22s22p63s23p63d104s24p64d105s25p6)4f56s  7H°2
      Ionization energy  87900 cm-1 (10.90 eV)   Ref. SR65