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levels

Program to sort the energy levels in a name.l or name.j file and print energy levels in atomic units and cm$^{-1}$, relative to the lowest.

#  ........Processing energy level data........
>levels
 Enter name and type (.l or .j) of file
>A.j
  Default Rydberg constant (y/n)
>y
 ENERGY LEVELS
 Z =   7       4 electrons
 Rydberg Constant Used =    109733.01269
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 Configuration         Term  J     Total Energy  Energy Level
                                      (a.u.)        (cm-1)
----------------------------------------------------------------
 1s(2).2s(2)_1S           0.0   -51.199917009       0.0000

 1s(2).2s_2S.2p_3P        0.0   -50.894176385   67099.6795
                          1.0   -50.893898497   67160.6665
                          2.0   -50.893259802   67300.8384

 1s(2).2s_2S.2p_1P        1.0   -50.595319927  132688.5185
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2001-10-11