NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

[skip navigation] National Institute of Standards and Technology NIST Physical Measurement Laboratory Iron (Fe) 

Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableIron Atomic DataIron Strong LinesIron Neutral Atom Persistent Lines Iron Neutral Atom Energy LevelsIron Singly Ionized Persistent LinesIron Singly Ionized Energy LevelsIron References
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Energy Levels of Neutral Iron ( Fe I )


Configuration     Term   J   Level(cm-1) Ref.

3d64s2 a 5D 4 0.000 NJLT94 3 415.933 NJLT94 2 704.007 NJLT94 1 888.132 NJLT94 0 978.074 NJLT94 3d7(4F)4s a 5F 5 6928.268 NJLT94 4 7376.764 NJLT94 3 7728.059 NJLT94 2 7985.784 NJLT94 1 8154.713 NJLT94 3d7(4F)4s a 3F 4 11976.238 NJLT94 3 12560.933 NJLT94 2 12968.553 NJLT94 3d7(4P)4s a 5P 3 17550.180 NJLT94 2 17726.987 NJLT94 1 17927.381 NJLT94 3d64s2 a 3P 2 18378.185 NJLT94 1 19552.477 NJLT94 0 20037.815 NJLT94 3d6(5D)4s4p(3P) z 7D° 5 19350.892 NJLT94 4 19562.440 NJLT94 3 19757.033 NJLT94 2 19912.494 NJLT94 1 20019.634 NJLT94 3d64s2 a 3H 6 19390.167 NJLT94 5 19621.005 NJLT94 4 19788.250 NJLT94 3d64s2 b 3F 4 20641.109 NJLT94 3 20874.481 NJLT94 2 21038.986 NJLT94 3d7(2G)4s a 3G 5 21715.731 NJLT94 4 21999.129 NJLT94 3 22249.428 NJLT94 3d6(5D)4s4p(3P) z 7F° 6 22650.414 NJLT94 5 22845.867 NJLT94 4 22996.672 NJLT94 3 23110.937 NJLT94 2 23192.498 NJLT94 1 23244.836 NJLT94 0 23270.382 NJLT94 3d7(4P)4s b 3P 2 22838.321 NJLT94 1 22946.814 NJLT94 0 23051.748 NJLT94 3d6(5D)4s4p(3P) z 7P° 4 23711.454 NJLT94 3 24180.860 NJLT94 2 24506.915 NJLT94 3d64s2 b 3G 5 23783.617 NJLT94 4 24118.817 NJLT94 3 24338.765 NJLT94 3d7(2P)4s c 3P 2 24335.764 NJLT94 1 24772.016 NJLT94 0 25091.597 NJLT94 3d7(2G)4s a 1G 4 24574.653 NJLT94 3d6(5D)4s4p(3P) z 5D° 4 25899.987 NJLT94 3 26140.177 NJLT94 2 26339.694 NJLT94 1 26479.379 NJLT94 0 26550.477 NJLT94 3d7(2H)4s b 3H 6 26105.906 NJLT94 5 26351.038 NJLT94 4 26627.607 NJLT94 3d7(a2D)4s a 3D 3 26224.967 NJLT94 2 26623.733 NJLT94 1 26406.463 NJLT94 3d6(5D)4s4p(3P) z 5F° 5 26874.548 NJLT94 4 27166.818 NJLT94 3 27394.689 NJLT94 2 27559.581 NJLT94 1 27666.346 NJLT94 3d7(2P)4s a 1P 1 27543.001 NJLT94 3d7(a2D)4s a 1D 2 28604.611 NJLT94 3d7(2H)4s a 1H 5 28819.952 NJLT94 3d6(5D)4s4p(3P) z 5P° 3 29056.322 NJLT94 2 29469.022 NJLT94 1 29732.734 NJLT94 3d64s2 a 1I 6 29313.006 NJLT94 3d64s2 b 3D 3 29371.810 NJLT94 2 29356.742 NJLT94 1 29320.024 NJLT94 3d64s2 b 1G 4 29798.934 NJLT94 3d6(5D)4s4p(3P) z 3F° 4 31307.243 NJLT94 3 31805.069 NJLT94 2 32133.989 NJLT94 3d6(5D)4s4p(3P) z 3D° 3 31322.611 NJLT94 2 31686.349 NJLT94 1 31937.323 NJLT94 3d8 c 3F 4 32873.630 NJLT94 3 33412.715 NJLT94 2 33765.304 NJLT94 3d7(4F)4p y 5D° 4 33095.939 NJLT94 3 33507.121 NJLT94 2 33801.570 NJLT94 1 34017.101 NJLT94 0 34121.601 NJLT94 3d7(4F)4p y 5F° 5 33695.395 NJLT94 4 34039.514 NJLT94 3 34328.750 NJLT94 2 34547.209 NJLT94 1 34692.146 NJLT94 3d6(5D)4s4p(3P) z 3P° 2 33946.931 NJLT94 1 34362.871 NJLT94 0 34555.595 NJLT94 3d64s2 b 1D 2 34636.790 NJLT94 3d7(4F)4p z 5G° 6 34843.955 NJLT94 5 34782.419 NJLT94 4 35257.322 NJLT94 3 35611.623 NJLT94 2 35856.400 NJLT94 3d7(4F)4p z 3G° 5 35379.206 NJLT94 4 35767.562 NJLT94 3 36079.370 NJLT94 3d7(4F)4p y 3F° 4 36686.174 NJLT94 3 37162.744 NJLT94 2 37521.158 NJLT94 3d6(5D)4s4p(1P) y 5P° 3 36766.964 NJLT94 2 37157.564 NJLT94 1 37409.552 NJLT94 3d7(2F)4s d 3F 2 36940.588 NJLT94 3 36975.586 NJLT94 4 37045.932 NJLT94 3d7(4F)4p y 3D° 3 38175.352 NJLT94 2 38678.036 NJLT94 1 38995.733 NJLT94 3d6(5D)4s4p(1P) x 5D° 4 39625.801 NJLT94 3 39969.850 NJLT94 2 40231.333 NJLT94 1 40404.515 NJLT94 0 40491.281 NJLT94 3d5(6S)4s24p y 7P° 4 40421.935 NJLT94 3 40207.088 NJLT94 2 40052.032 NJLT94 3d6(5D)4s4p(1P) x 5F° 5 40257.311 NJLT94 4 40594.429 NJLT94 3 40842.151 NJLT94 2 41018.048 NJLT94 1 41130.596 NJLT94 3d8 c 3P 2 40871.409 NJLT94 1 41178.409 NJLT94 0 41234.502 NJLT94 3d6(3P)4s4p(3P) z 5S° 2 40894.987 NJLT94 3d6(3P)4s4p(3P) x 5P° 3 42532.738 NJLT94 2 42859.775 NJLT94 1 43079.020 NJLT94 3d6(3H)4s4p(3P) y 5G° 6 42784.349 NJLT94 5 42911.914 NJLT94 4 43022.982 NJLT94 3 43137.484 NJLT94 2 43210.022 NJLT94 ------------------------------------------- Fe II (6D9/2) Limit 63737 SC85


Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableIron Atomic DataIron Strong LinesIron Neutral Atom Persistent Lines Iron Neutral Atom Energy LevelsIron Singly Ionized Persistent LinesIron Singly Ionized Energy LevelsIron References
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