NIST Atomic Spectra Database Levels Data
Ac II 84 Levels Found |
Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2023). NIST Atomic Spectra Database (ver. 5.11), [Online]. Available: https://physics.nist.gov/asd [2024, March 29]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
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Data on Landé factors are not available for this ion in ASD Some data for neutral and singly-charged ions are available in the Handbook of Basic Atomic Spectroscopic Data |
Primary data source | Query NIST Bibliographic Database for Ac II (new window) | |
Kramida 2022 | Uncertainties of all levels are given for separations from the base level 6d2 3F2 at 13236.418 cm-1. To estimate the uncertainties of excitation energies from the ground level, they should be combined in quadrature with 0.03 cm-1. | Literature on Ac II Energy Levels |
Configuration | Term | J | Level (cm-1) |
Leading percentages | Reference | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
7s2 | 1S | 0 | 0.00 | 95 | L22136,L7344c157 | ||||||
6d7s | 3D | 1 | 4 739.631 | 99 | L22136,L7344c157 | ||||||
2 | 5 267.147 | 86 | 11 | 6d7s | 1D | L22136,L7344c157 | |||||
3 | 7 426.489 | 99 | L22136,L7344c157 | ||||||||
6d7s | 1D | 2 | 9 087.517 | 68 | 16 | 6d2 | 1D | L22136,L7344c157 | |||
6d2 | 3F | 2 | 13 236.418 | 93 | L22136,L7344c157 | ||||||
3 | 14 949.173 | 99 | L22136,L7344c157 | ||||||||
4 | 16 756.847 | 92 | 7 | 6d2 | 1G | L22136,L7344c157 | |||||
6d2 | 3P | 0 | 17 737.032 | 92 | 5 | 6d2 | 1S | L22136,L7344c157 | |||
1 | 19 015.283 | 98 | L22136,L7344c157 | ||||||||
2 | 19 202.962 | 68 | 22 | 6d2 | 1D | L22136,L7344c157 | |||||
6d2 | 1G | 4 | 20 848.198 | 90 | 7 | 6d2 | 3F | L22136,L7344c157 | |||
7s7p | 3P° | 0 | 20 956.42 | 98 | L22136,L7344c157 | ||||||
1 | 22 180.533 | 82 | 11 | 7s7p | 1P° | L22136,L7344c157 | |||||
2 | 28 201.120 | 89 | 7 | 6d7p | 3P° | L22136,L7344c157 | |||||
6d2 | 1D | 2 | 22 199.428 | 57 | 30 | 6d2 | 3P | L22136,L7344c157 | |||
6d7p | 3F° | 2 | 26 446.928 | 65 | 17 | 5f7s | 3F° | L22136,L7344c157 | |||
3 | 29 881.055 | 55 | 39 | 5f7s | 3F° | L22136,L7344c157 | |||||
4 | 39 118.975 | 52 | 25 | 5f7s | 3F° | L22136,L7344c157 | |||||
6d7p | 1P° | 1 | 29 250.366 | 27 | 37 | 6d7p | 3D° | L22136,L7344c157 | |||
5f7s | 1F° | 3 | 31 174.565 | 62 | 22 | 6d7p | 1F° | L22136,L7344c157 | |||
6d7p | 1D° | 2 | 31 878.854 | 47 | 19 | 5f7s | 3F° | L22136,L7344c157 | |||
5f7s | 3F° | 4 | 32 965.512 | 66 | 34 | 6d7p | 3F° | L22136,L7344c157 | |||
2 | 35 397.115 | 24 | 27 | 6d7p | 3F° | L22136,L7344c157 | |||||
3 | 36 144.291 | 36 | 32 | 6d7p | 3D° | L22136,L7344c157 | |||||
6d7p | 3D° | 2 | 33 304.935 | 49 | 34 | 5f7s | 3F° | L22136,L7344c157 | |||
1 | 33 388.554 | 44 | 39 | 7s7p | 1P° | L22136,L7344c157 | |||||
3 | 36 972.910 | 44 | 28 | 6d7p | 3F° | L22136,L7344c157 | |||||
6d7p | 3P° | 0 | 36 780.01 | 91 | 8 | 5f6d | 3P° | L22136,L7344c157 | |||
1 | 36 855.480 | 77 | 11 | 6d7p | 3D° | L22136,L7344c157 | |||||
2 | 38 371.612 | 61 | 18 | 6d7p | 1D° | L22136,L7344c157 | |||||
5f6d | 3H° | 4 | 39 807.02 | 80 | 10 | 5f6d | 1G° | L22136,L7344c157 | |||
5f6d | 3F° | 2 | 41 578.56 | 72 | 21 | 5f6d | 1D° | L22136,L7344c157 | |||
3 | 43 275.794 | 88 | L22136,L7344c157 | ||||||||
4 | 45 040.26 | 80 | 8 | 5f6d | 1G° | L22136,L7344c157 | |||||
5f6d | 1G° | 4 | 41 627.78 | 76 | 14 | 5f6d | 3H° | L22136,L7344c157 | |||
6d7p | 1F° | 3 | 41 937.021 | 50 | 25 | 5f6d | 1F° | L22136,L7344c157 | |||
7s7p | 1P° | 1 | 44 199.914 | 17 | 37 | 6d7p | 1P° | L22136,L7344c157 | |||
5f6d | 1D° | 2 | 44 705.290 | 71 | 20 | 5f6d | 3F° | L22136,L7344c157 | |||
5f6d | 3G° | 3 | 45 807.01 | 94 | L22136,L7344c157 | ||||||
4 | 47 427.63 | 99 | L22136,L7344c157 | ||||||||
5 | 49 151.54 | 98 | L22136,L7344c157 | ||||||||
5f6d | 3D° | 1 | 48 518.32 | 82 | 8 | 5f6d | 3P° | L22136,L7344c157 | |||
2 | 49 479.04 | 87 | 8 | 5f6d | 3P° | L22136,L7344c157 | |||||
3 | 50 059.68 | 75 | 13 | 5f6d | 1F° | L22136,L7344c157 | |||||
5f6d | 3P° | 0 | 49 780.56 | 91 | 7 | 6d7p | 3P° | L22136,L7344c157 | |||
1 | 50 235.55 | 79 | 10 | 5f6d | 3D° | L22136,L7344c157 | |||||
2 | 51 257.48 | 81 | 6 | 6d7p | 3P° | L22136,L7344c157 | |||||
7s8s | 3S | 1 | 51 680.60 | 98 | L22136,L7344c157 | ||||||
5f6d | 1F° | 3 | 53 255.25 | 56 | 19 | 5f6d | 3D° | L22136,L7344c157 | |||
7s8s | 1S | 0 | 53 373.99 | 84 | 12 | 7p2 | 3P | L22136,L7344c157 | |||
6d8s | 3D | 2 | 54 633.000 | 30 | 26 | 6d8s | 1D | L22136,L7344c157 | |||
1 | 54 735.58 | 90 | 6 | 7s7d | 3D | L22136 | |||||
3 | 57 631.22 | 45 | 30 | 7s7d | 3D | L22136 | |||||
5f7p | 3G | 3 | 54 644.074 | 60 | 23 | 5f7p | 1F | L22136,L7344c157 | |||
4 | 57 683.74 | 51 | 26 | 5f7p | 3F | L22136,L7344c157 | |||||
5 | 65 392.37 | 52 | 48 | 6d7d | 3G | L22136 | |||||
5f7p | 3F | 2 | 55 334.05 | 48 | 15 | 6d8s | 3D | L22136 | |||
3 | 57 944.517 | 38 | 18 | 5f7p | 3D | L22136,L7344c157 | |||||
4 | 59 889.02 | 26 | 31 | 6d7d | 3G | L22136,L7344c157 | |||||
5f6d | 1P° | 1 | 56 152.16 | 53 | 16 | 6d7p | 1P° | L22136,L7344c157 | |||
7s7d | 1D | 2 | 56 491.46 | 33 | 28 | 6d8s | 3D | L22136,c157 | |||
5f6d | 1H° | 5 | 56 582.72? | 97 | L22136 | ||||||
7p2 | 3P | 1 | 57 175.49 | 93 | 5 | 6d7d | 3P | L22136c157 | |||
2 | 59 724.44 | 18 | 29 | 6d7d | 3D | L22136 | |||||
7s7d | 3D | 2 | 58 121.36 | 48 | 26 | 6d8s | 1D | L22136 | |||
3 | 59 325.48? | 50 | 41 | 6d8s | 3D | L22136 | |||||
6d8s | 1D | 2 | 58 803.51 | 20 | 35 | 7s7d | 3D | L22136 | |||
5f7p | 1F | 3 | 59 071.84 | 22 | 27 | 5f7p | 3F | L22136,L7344c157 | |||
6d7d | 1F | 3 | 59 807.52 | 48 | 22 | 6d7d | 3G | L22136,L7344c157 | |||
6d7d | 3F | 2 | 60 238.20 | 38 | 14 | 6d7d | 3D | L22136 | |||
3 | 63 581.61 | 66 | 20 | 6d7d | 3D | L22136,L7344c157 | |||||
4 | 64 285.02 | 72 | 18 | 6d7d | 3G | L22136c157 | |||||
6d7d | 3G | 5 | 61 417.16? | 51 | 47 | 5f7p | 3G | L22136 | |||
3 | 61 466.70? | 30 | 20 | 5f7p | 3G | L22136 | |||||
4 | 62 650.44 | 33 | 35 | 5f7p | 3G | L22136 | |||||
6d7d | 3D | 2 | 62 304.01 | 34 | 19 | 7p2 | 3P | L22136c157 | |||
3 | 62 350.67 | 35 | 24 | 6d7d | 1F | L22136,L7344c157 | |||||
5f7p | 3D | 1 | 62 565.61 | 73 | 8 | 6d7d | 3D | L22136 | |||
3 | 64 332.11 | 47 | 17 | 6d7d | 3D | L22136 | |||||
5f7p | 1G | 4 | 62 869.82 | 51 | 33 | 5f7p | 3F | L22136,L7344c157 | |||
6d7d | 1D | 2 | 64 154.91? | 28 | 15 | 7p2 | 1D | L22136 | |||
7p2 | 1D | 2 | 68 692.14 | 34 | 14 | 5f7p | 1D | L22136 | |||
Ac III (6p67s 2S1/2) | Limit | --- | [94 800] | L15123 | |||||||
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