Europium (Eu)
Energy Levels of Neutral Europium ( Eu I )
Configuration Term J Level(cm-1) Ref.
4f76s2 a 8S° 7/2 0.00 MZH78
4f7(8S°)5d (9D°)6s a 10D° 5/2 12923.72 MZH78
7/2 13048.90 MZH78
9/2 13222.04 MZH78
11/2 13457.21 MZH78
13/2 13778.68 MZH78
4f7(8S°)6s6p(3P°) z 10P 7/2 14067.86 MZH78
9/2 14563.57 MZH78
11/2 15581.58 MZH78
4f7(8S°)5d (9D°)6s a 8D° 3/2 15137.72 MZH78
5/2 15248.76 MZH78
7/2 15421.25 MZH78
9/2 15680.28 MZH78
11/2 16079.76 MZH78
4f7(8S°)6s6p(3P°) z 8P 5/2 15890.53 MZH78
7/2 15952.31 MZH78
9/2 16611.79 MZH78
4f7(8S°)6s6p(3P°) z 6P 7/2 17340.65 MZH78
5/2 17707.42 MZH78
3/2 17945.49 MZH78
4f7(8S°)5d (7D°)6s a 6D° 9/2 19273.24 MZH78
7/2 19364.50 MZH78
5/2 19462.05 MZH78
3/2 19543.69 MZH78
1/2 19599.16 MZH78
4f7(8S°)5d (7D°)6s b 8D° 11/2 19447.19 MZH78
9/2 19631.26 MZH78
7/2 19712.15 MZH78
5/2 19763.78 MZH78
3/2 19794.21 MZH78
4f7(8S°)6s6p(1P°) y 8P 5/2 21444.58 MZH78
7/2 21605.17 MZH78
9/2 21761.26 MZH78
4f6(7F)5d6s2 8D 3/2 _
5/2 27852.90 MZH78
7/2 28827.83 MZH78
9/2 29838.59 MZH78
11/2 30819.44 MZH78
4f7(8S°)5d (9D°)6p z 10F 3/2 28519.97 MZH78
5/2 28667.39 MZH78
7/2 28918.17 MZH78
9/2 29186.32 MZH78
11/2 29612.69 MZH78
13/2 30211.09 MZH78
15/2 30923.71 MZH78
4f6(7F)5d6s2 8P 5/2 29982.50 MZH78
7/2 31116.38 MZH78
9/2 32130.25 MZH78
4f7(8S°)5d (9D°)6p z 10D 5/2 30945.07 MZH78
7/2 31138.11 MZH78
9/2 31382.61 MZH78
11/2 31725.93 MZH78
13/2 32117.10 MZH78
4f7(8S°)5d (9D°)6p y 10P 7/2 32398.25 MZH78
9/2 32596.31 MZH78
11/2 32948.41 MZH78
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Eu II (9S°4) Limit 45734.74 NRCA00
