Energy Levels of Singly Ionized Erbium ( Er II )
Configuration Term J Level(cm-1) Ref.
4f12(3H6)6s1/2 (6,1/2) 13/2 0.000 MZH78
4f12(3H6)6s1/2 (6,1/2) 11/2 440.434 MZH78
4f12(3F4)6s1/2 (4,1/2) 9/2 5132.608 MZH78
4f12(3F4)6s1/2 (4,1/2) 7/2 5403.688 MZH78
4f116s2 4I° 15/2 6824.774 MZH78
4f116s2 4I° 13/2 13338.777 MZH78
4f116s2 4I° 11/2 16948.197 MZH78
4f116s2 4I° 9/2 _
4f12(3H5)6s1/2 (5,1/2) 11/2 7149.630 MZH78
4f12(3H5)6s1/2 (5,1/2) 9/2 7195.355 MZH78
4f11(4I°)5d6s ° 13/2 10667.186 MZH78
4f12(3H4)6s1/2 (4,1/2) 7/2 10893.936 MZH78
4f12(3H4)6s1/2 (4,1/2) 9/2 11042.640 MZH78
° 11/2 25382.379 MZH78
4f12(3H6)6p1/2? (6,1/2)°? 11/2 25592.343 MZH78
4f12(3H6)6p1/2? (6,1/2)°? 13/2 26098.972 MZH78
° 13/2 27513.555 MZH78
° 11/2 27642.658 MZH78
4f12(3H6)6p3/2? (6,3/2)°? 9/2 29011.015 MZH78
4f12(3H6)6p3/2? (6,3/2)°? 11/2 29492.329 MZH78
4f12(3H6)6p3/2? (6,3/2)°? 15/2 29640.863 MZH78
4f12(3H6)6p3/2? (6,3/2)°? 13/2 30621.102 MZH78
° 15/2 29472.789 MZH78
° 11/2 31385.667 MZH78
Er III (3H6) Limit 96200 SR65