| Index | Configuration | Level | Expt. | GRASP | FAC1 | FAC2 | FAC3 | FAC4 | FAC5 |
| 1 | 3s23p6 | 1S0 | 0.00000 | 0.00000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 |
| 2 | 3s23p53d | 3P0o | 3.69767 | 3.74289 | 3.6559 | 3.6566 | 3.6569 | 3.7475 | 3.7333 |
| 3 | 3s23p53d | 3P1o | 3.72084 | 3.76622 | 3.6795 | 3.6802 | 3.6804 | 3.7710 | 3.7567 |
| 4 | 3s23p53d | 3P2o | 3.76963 | 3.81508 | 3.7288 | 3.7295 | 3.7297 | 3.8200 | 3.8058 |
| 5 | 3s23p53d | 3F4o | 3.88026 | 3.94625 | 3.8395 | 3.8346 | 3.8339 | 3.9468 | 3.9343 |
| 6 | 3s23p53d | 3F3o | 3.91217 | 3.97928 | 3.8733 | 3.8686 | 3.8679 | 3.9797 | 3.9671 |
| 7 | 3s23p53d | 3F2o | 3.95325 | 4.02060 | 3.9157 | 3.9111 | 3.9104 | 4.0215 | 4.0087 |
| 8 | 3s23p53d | 3D3o | 4.15184 | 4.23382 | 4.1439 | 4.1443 | 4.1446 | 4.2373 | 4.2219 |
| 9 | 3s23p53d | 1D2o | 4.16224 | 4.24821 | 4.1652 | 4.1658 | 4.1661 | 4.2540 | 4.2377 |
| 10 | 3s23p53d | 3D1o | 4.19744 | 4.27822 | 4.1912 | 4.1921 | 4.1925 | 4.2836 | 4.2676 |
| 11 | 3s23p53d | 3D2o | 4.21567 | 4.29790 | 4.2145 | 4.2154 | 4.2157 | 4.3039 | 4.2878 |
| 12 | 3s23p53d | 1F3o | 4.24494 | 4.32669 | 4.2361 | 4.2356 | 4.2358 | 4.3281 | 4.3134 |
| 13 | 3s23p53d | 1P1o | 5.32678 | 5.47652 | 5.5329 | 5.5335 | 5.5337 | 5.4598 | 5.4548 |
| 14 | 3s3p63d | 3D1 | 6.62249 | 6.71520 | 7.1364 | 7.1292 | 7.1267 | 6.7176 | 6.6837 |
| 15 | 3s3p63d | 3D2 | 6.63001 | 6.72270 | 7.1432 | 7.1360 | 7.1335 | 6.7251 | 6.6912 |
| 16 | 3s3p63d | 3D3 | 6.64254 | 6.73509 | 7.1541 | 7.1468 | 7.1443 | 6.7377 | 6.7038 |
| 17 | 3s3p63d | 1D2 | 6.83333 | 6.94815 | 7.5845 | 7.5846 | 7.5849 | 6.9447 | 6.8952 |
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Expt.: NIST data from http://physics.nist.gov/PhysRefData GRASP: Present calculations from the GRASP code with 2471 levels. FAC1: Present calculations from the FAC code with 87 levels. FAC2: Present calculations from the FAC code with 136 levels. FAC3: Present calculations from the FAC code with 220 levels. FAC4: Present calculations from the FAC code with 1219 levels. FAC5: Present calculations from the FAC code with 6284 levels. |