Persistent Lines of Singly Ionized Beryllium ( Be II )

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

 1512.269    31928.744     1s22p          2P°    1/2
             98054.55      1s23d          2D     3/2
  return
 
 1512.412    31935.320     1s22p          2P°    3/2
             98055.10      1s23d          2D     5/2
  return
 
 1512.412    31935.320     1s22p          2P°    3/2
             98054.55      1s23d          2D     3/2
  return
 
 3130.4219       0.000     1s22s          2S     1/2
             31935.320     1s22p          2P°    3/2
  return
 
 3131.0667       0.000     1s22s          2S     1/2
             31928.744     1s22p          2P°    1/2
  return
 
 4360.663    96495.34      1s23p          2P°    1/2
            119421.18      1s24d          2D     3/2
  return
 
 4360.988    96497.26      1s23p          2P°    3/2
            119421.42      1s24d          2D     5/2
  return
 
 4673.329    98054.55      1s23d          2D     3/2
            119446.59      1s24f          2F°    5/2
  return
 
 4673.423    98055.10      1s23d          2D     5/2
            119446.71      1s24f          2F°    7/2
  return
 
 5270.811    96497.26      1s23p          2P°    3/2
            115464.38      1s24s          2S     1/2
  return