Persistent Lines of Singly Ionized Promethium ( Pm II )

Wavelength  Energy         Configuration   Term   J
   (Å)      Levels (cm-1)

 3892.15                                           
                                                   
  return
 
 3910.26      2950.31      4f5(6H°)6s      7H°    6
             28516.85                             7
  return
 
 3919.10                                           
                                                   
  return
 
 3936.48      1983.52      4f5(6H°)6s      7H°    5
             27379.79                             6
  return
 
 3957.74                                           
                                                   
  return
 
 3998.96      1133.45      4f5(6H°)6s      7H°    4
             26132.87                             5
  return
 
 4075.84         0.00      4f5(6H°)6s      7H°    2
             24527.89                             3
  return
 
 4086.10         0.00      4f5(6H°)6s      7H°    2
             24466.32                             3
  return
 
 4297.78         0.00      4f5(6H°)6s      7H°    2
             23261.30      4f5(6H°)6p      7I     3
  return
 
 4417.96      1133.45      4f5(6H°)6s      7H°    4
             23761.98                             3
  return
 
 4453.95                                           
                                                   
  return
 
 4529.21                                           
                                                   
  return
 
 5546.08      6131.47      4f5(6H°)5d      7K°    5
             24157.20      4f5(6H°)6p      7I     4
  return
 
 5576.02      5332.36      4f5(6H°)5d      7K°    4
             23261.30      4f5(6H°)6p      7I     3
  return