Cs/NIST/Cs_p54__NIST.states
           1         0.000000      2     0.5   160.000000 1s                                                 2S                              +
           2 258558070.00      2     0.5   170.000000 2p                                                 2P                              -
           3 262283063.00      4     1.5   167.000000 2p                                                 2P                              -
           4 258619350.00      2     0.5   160.000000 2s                                                 2S                              +
           5 307622700.00      2     0.5   700.000000 3p                                                 2P                              -
           6 308729600.00      4     1.5   600.000000 3p                                                 2P                              -
           7 307641200.00      2     0.5   900.000000 3s                                                 2S                              +
           8 308727591.00      4     1.5    20.000000 3d                                                 2D                              +
           9 309067901.00      6     2.5    20.000000 3d                                                 2D                              +