* The incertainty is ± 0.5 cm-1 for these levels and ± 1 cm-1 for the others
| Element | Reference
discovered |
J | E(cm-1) |
| NpIe-sp-laser | (79.2) | 11/2-15/2 | 33 128.4 |
| NpIe-sp-laser | (79.2) | 11/2-15/2 | 33 162.7 |
| NpIe-sp-laser | (79.2) | 11/2-15/2 | 33 176.3 |
| NpIe-sp-laser | (79.2) | 11/2-15/2 | 33 273.8 |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 364.6 |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 367.7 |
| NpIe-sp-laser | (79.2) | 11/2 | 33 372.2* |
| NpIe-sp-laser | (79.2) | 11/2 | 33 434.8* |
| NpIe-sp-laser | (79.2) | 11/2 | 33 445.1* |
| NpIe-sp-laser | (79.2) | 13/2-15/2 | 33 454.5 |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 476.2* |
| NpIe-sp-laser | (79.2) | 13/2-15/2 | 33 487.8 |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 491.4* |
| NpIe-sp-laser | (79.2) | 11/2 | 33 495.7* |
| NpIe-sp-laser | (79.2) | 11/2 | 33 527.7* |
| NpIe-sp-laser | (79.2) | 13/2-15/2 | 33 538.4 |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 548.3* |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 556.5 |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 569.6 |
| NpIe-sp-laser | (79.2) | 11/2 | 33 582.5* |
| NpIe-sp-laser | (79.2) | 11/2 | 33 584.6* |
| NpIe-sp-laser | (79.2) | 13/2-15/2 | 33 608.4 |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 634.2 |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 641.5 |
| NpIe-sp-laser | (79.2) | 11/2 | 33 652.6* |
| NpIe-sp-laser | (79.2) | 11/2 | 33 673.3* |
| NpIe-sp-laser | (79.2) | 13/2-15/2 | 33 679.5 |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 684.9 |
| NpIe-sp-laser | (79.2) | 11/2 | 33 703.7* |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 712.5 |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 717.7 |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 729.4 |
| NpIe-sp-laser | (79.2) | 11/2 | 33 736.1* |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 742.3 |
| NpIe-sp-laser | (79.2) | 7/2-9/2 | 33 761.0 |
| NpIe-sp-laser | (79.2) | 11/2 | 33 770.4* |
| NpIe-sp-laser | (79.2) | 13/2-15/2 | 33 774.0 |