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Table 1
Physical states for which data are provided from the CCC and BSR calculations, along with experimental excitation energies (Eexpt) from NIST (Kramida et al. 2016; Martin & Zalubas 1980).
| Index | State | g | Eexpt |
| [eV] | |||
|
|
|||
| 1 | 3s21S | 1 | 0.000 |
| 2 | 3s3p 3P | 9 | 2.714 |
| 3 | 3s3p 1P | 3 | 4.346 |
| 4 | 3s4s 3S | 3 | 5.108 |
| 5 | 3s4s 1S | 1 | 5.394 |
| 6 | 3s3d 1D | 5 | 5.753 |
| 7 | 3s4p 3P | 9 | 5.932 |
| 8 | 3s3d 3D | 15 | 5.946 |
| 9 | 3s4p 1P | 3 | 6.118 |
| 10 | 3s5s 3S | 3 | 6.431 |
| 11 | 3s5s 1S | 1 | 6.516 |
| 12 | 3s4d 1D | 5 | 6.588 |
| 13 | 3s4d 3D | 15 | 6.719 |
| 14 | 3s5p 3P | 9 | 6.726 |
| 15 | 3s4f 1F | 7 | 6.779 |
| 16 | 3s4f 3F | 21 | 6.779 |
| 17 | 3s5p 1P | 3 | 6.783 |
| 18 | 3s6s 3S | 3 | 6.930 |
| 19 | 3s6s 1S | 1 | 6.966 |
| 20 | 3s5d 1D | 5 | 6.981 |
| 21 | 3s5d 3D | 15 | 7.063 |
| 22 | 3s6p 3P | 9 | 7.069 |
| 23 | 3s5f 1F | 7 | 7.092 |
| 24 | 3s5f 3F | 21 | 7.092 |
| 25 | 3s6p 1P | 3 | 7.094 |
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