NIST Atomic Spectra Database Levels Data
B I 125 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 B I (new window) | |
Kramida and Ryabtsev 2007 | Literature on B I Energy Levels |
Configuration | Term | J | Level (eV) |
Uncertainty (eV) |
Leading percentages | Reference | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
2s22p | 2P° | 1/2 | 0.00000000 | _ | 95 | 4 | 2p3 | 2P° | L12312 | |||
3/2 | 0.0018953 | 0.0000004 | 95 | 4 | 2p3 | 2P° | L12312 | |||||
2s2p2 | 4P | 1/2 | 3.55183+x | 0.00022 | 100 | L12312 | ||||||
3/2 | 3.55240+x | 0.00022 | 100 | L12312 | ||||||||
5/2 | 3.55319+x | 0.00022 | 100 | L12312 | ||||||||
2s23s | 2S | 1/2 | 4.9642890 | 0.0000003 | 95 | 5 | 2p2(1S)3s | 2S | L12312 | |||
2s2p2 | 2D | 5/2 | 5.9334881 | 0.0000005 | 79 | 7 | 2s23d | 2D | L12312 | |||
3/2 | 5.9335273 | 0.0000005 | 79 | 7 | 2s23d | 2D | L12312 | |||||
2s23p | 2P° | 1/2 | 6.0271033 | 0.0000004 | 91 | 7 | 2p2(1S)3p | 2P° | L12312 | |||
3/2 | 6.0273243 | 0.0000003 | 91 | 7 | 2p2(1S)3p | 2P° | L12312 | |||||
2s23d | 2D | 3/2 | 6.79032869 | 0.00000025 | 88 | 7 | 2s2p2 | 2D | L12312 | |||
5/2 | 6.7903466 | 0.0000004 | 88 | 7 | 2s2p2 | 2D | L12312 | |||||
2s24s | 2S | 1/2 | 6.8203997 | 0.0000003 | 95 | 5 | 2p2(1S)4s | 2S | L12312 | |||
2s24p | 2P° | 1/2 | 7.1646047 | 0.0000004 | 92 | 7 | 2p2(1S)4p | 2P° | L12312 | |||
3/2 | 7.1646833 | 0.0000004 | 92 | 7 | 2p2(1S)4p | 2P° | L12312 | |||||
2s24d | 2D | 5/2 | 7.438240 | 0.000016 | 93 | 5 | 2p2(1S)4d | 2D | L12312 | |||
3/2 | 7.438240 | 0.000016 | 93 | 5 | 2p2(1S)4d | 2D | L12312 | |||||
2s24f | 2F° | 5/2 | 7.4429049 | 0.0000004 | 92 | 8 | 2p2(1S)4f | 2F° | L12312 | |||
7/2 | 7.4429055 | 0.0000004 | 92 | 8 | 2p2(1S)4f | 2F° | L12312 | |||||
2s25s | 2S | 1/2 | 7.4572049 | 0.0000012 | 86 | 5 | 2p2(1S)5s | 2S | L12312 | |||
2s25p | 2P° | 1/2,3/2 | 7.61679 | 0.00014 | 92 | 7 | 2p2(1S)5p | 2P° | L12312 | |||
2s26s | 2S | 1/2 | 7.746801 | 0.000017 | 77 | 12 | 2s2p2 | 2S | L12312 | |||
2s25d | 2D | 3/2 | 7.747215 | 0.000017 | 94 | 5 | 2p2(1S)5d | 2D | L12312 | |||
5/2 | 7.747215 | 0.000017 | 94 | 5 | 2p2(1S)5d | 2D | L12312 | |||||
2s25f | 2F° | 7/2 | 7.7510655 | 0.0000004 | 92 | 8 | 2p2(1S)5f | 2F° | L12312 | |||
5/2 | 7.7510655 | 0.0000004 | 92 | 8 | 2p2(1S)5f | 2F° | L12312 | |||||
2s26p | 2P° | 1/2,3/2 | 7.84364 | 0.00014 | 92 | 7 | 2p2(1S)6p | 2P° | L12312 | |||
2s2p2 | 2S | 1/2 | 7.880515 | 0.000017 | 35 | 31 | 2s27s | 2S | L12312 | |||
2s26d | 2D | 3/2 | 7.915811 | 0.000017 | 95 | 5 | 2p2(1S)6d | 2D | L12312 | |||
5/2 | 7.915811 | 0.000017 | 95 | 5 | 2p2(1S)6d | 2D | L12312 | |||||
2s26f | 2F° | 5/2 | 7.918415 | 0.000004 | 92 | 8 | 2p2(1S)6f | 2F° | L12312 | |||
7/2 | 7.918415 | 0.000004 | 92 | 8 | 2p2(1S)6f | 2F° | L12312 | |||||
2s27s | 2S | 1/2 | 7.954332 | 0.000019 | 58 | 31 | 2s2p2 | 2S | L12312 | |||
2s27p | 2P° | 1/2,3/2 | 7.97322 | 0.00015 | 92 | 7 | 2p2(1S)7p | 2P° | L12312 | |||
2s27d | 2D | 5/2 | 8.017482 | 0.000019 | 95 | 5 | 2p2(1S)7d | 2D | L12312 | |||
3/2 | 8.017482 | 0.000019 | 95 | 5 | 2p2(1S)7d | 2D | L12312 | |||||
2s27f | 2F° | 5/2 | 8.019266 | 0.000004 | 92 | 8 | 2p2(1S)7f | 2F° | L12312 | |||
7/2 | 8.019266 | 0.000004 | 92 | 8 | 2p2(1S)7f | 2F° | L12312 | |||||
2s28s | 2S | 1/2 | 8.033195 | 0.000019 | 83 | 12 | 2s2p2 | 2S | L12312 | |||
2s28p | 2P° | 1/2,3/2 | 8.05455 | 0.00015 | 92 | 7 | 2p2(1S)8p | 2P° | L12312 | |||
2s28d | 2D | 5/2 | 8.083434 | 0.000019 | 95 | 5 | 2p2(1S)8d | 2D | L12312 | |||
3/2 | 8.083434 | 0.000019 | 95 | 5 | 2p2(1S)8d | 2D | L12312 | |||||
2s28f | 2F° | 7/2 | 8.084685 | 0.000006 | 92 | 8 | 2p2(1S)8f | 2F° | L12312 | |||
5/2 | 8.084685 | 0.000006 | 92 | 8 | 2p2(1S)8f | 2F° | L12312 | |||||
2s29s | 2S | 1/2 | 8.092472 | 0.000019 | 95 | 5 | 2p2(1S)9s | 2S | L12312 | |||
2s29p | 2P° | 1/2,3/2 | 8.10865 | 0.00015 | 92 | 7 | 2p2(1S)9p | 2P° | L12312 | |||
2s29d | 2D | 3/2,5/2 | 8.128612 | 0.000019 | 95 | 5 | 2p2(1S)9d | 2D | L12312 | |||
2s29f | 2F° | 5/2,7/2 | 8.129514 | 0.000006 | 92 | 8 | 2p2(1S)9f | 2F° | L12312 | |||
2s210s | 2S | 1/2 | 8.134526 | 0.000019 | L12312 | |||||||
2s210d | 2D | 3/2,5/2 | 8.160905 | 0.000019 | L12312 | |||||||
2s210f | 2F° | 5/2,7/2 | 8.161540 | 0.000006 | L12312 | |||||||
2s211d | 2D | 3/2,5/2 | 8.184766 | 0.000019 | L12312 | |||||||
2s211f | 2F° | 5/2,7/2 | 8.185267 | 0.000006 | L12312 | |||||||
2s212d | 2D | 3/2,5/2 | 8.202911 | 0.000019 | L12312 | |||||||
2s213d | 2D | 3/2,5/2 | 8.217013 | 0.000020 | L12312 | |||||||
2s214d | 2D | 3/2,5/2 | 8.228200 | 0.000020 | L12312 | |||||||
2s215d | 2D | 3/2,5/2 | 8.237218 | 0.000020 | L12312 | |||||||
2s216d | 2D | 3/2,5/2 | 8.244597 | 0.000020 | L12312 | |||||||
2s217d | 2D | 3/2,5/2 | 8.250713 | 0.000020 | L12312 | |||||||
2s218d | 2D | 3/2,5/2 | 8.255835 | 0.000020 | L12312 | |||||||
2s219d | 2D | 3/2,5/2 | 8.260166 | 0.000020 | L12312 | |||||||
2s220d | 2D | 3/2,5/2 | 8.263862 | 0.000020 | L12312 | |||||||
2s221d | 2D | 3/2,5/2 | 8.267041 | 0.000020 | L12312 | |||||||
2s222d | 2D | 3/2,5/2 | 8.269799 | 0.000020 | L12312 | |||||||
2s223d | 2D | 3/2,5/2 | 8.272202 | 0.000020 | L12312 | |||||||
2s224d | 2D | 3/2,5/2 | 8.274317 | 0.000022 | L12312 | |||||||
2s225d | 2D | 3/2,5/2 | 8.276199 | 0.000022 | L12312 | |||||||
2s226d | 2D | 3/2,5/2 | 8.277831 | 0.000020 | L12312 | |||||||
2s227d | 2D | 3/2,5/2 | 8.279304 | 0.000020 | L12312 | |||||||
2s228d | 2D | 3/2,5/2 | 8.280617 | 0.000020 | L12312 | |||||||
2s229d | 2D | 3/2,5/2 | 8.28181 | 0.00003 | L12312 | |||||||
2s230d | 2D | 3/2,5/2 | 8.282847 | 0.000022 | L12312 | |||||||
2s231d | 2D | 3/2,5/2 | 8.283842 | 0.000020 | L12312 | |||||||
2s232d | 2D | 3/2,5/2 | 8.284757 | 0.000022 | L12312 | |||||||
2s233d | 2D | 3/2,5/2 | 8.28550 | 0.00003 | L12312 | |||||||
2s234d | 2D | 3/2,5/2 | 8.28620 | 0.00003 | L12312 | |||||||
2s235d | 2D | 3/2,5/2 | 8.28690 | 0.00003 | L12312 | |||||||
2s236d | 2D | 3/2,5/2 | 8.28752 | 0.00003 | L12312 | |||||||
2s237d | 2D | 3/2,5/2 | 8.28807 | 0.00003 | L12312 | |||||||
2s238d | 2D | 3/2,5/2 | 8.28860 | 0.00003 | L12312 | |||||||
2s239d | 2D | 3/2,5/2 | 8.28904 | 0.00003 | L12312 | |||||||
B II (2s2 1S0) | Limit | --- | 8.298019 | 0.000003 | L12312 | |||||||
2s2p2 | 2P | 1/2 | 8.991694 | 0.000022 | 85 | 12 | 2s2p(3P°)3p | 2P | L12312 | |||
3/2 | 8.993138 | 0.000022 | 85 | 12 | 2s2p(3P°)3p | 2P | L12312 | |||||
2s2p(3P°)3s | 4P° | 1/2 | 9.54817+x | 0.00022 | 99 | L12312 | ||||||
3/2 | 9.54897+x | 0.00022 | 99 | L12312 | ||||||||
5/2 | 9.55056+x | 0.00022 | 99 | L12312 | ||||||||
2s2p(3P°)3p | 2P | 1/2 | 10.76922 | 0.00005 | 86 | 12 | 2s2p2 | 2P | L12312 | |||
3/2 | 10.76987 | 0.00005 | 86 | 12 | 2s2p2 | 2P | L12312 | |||||
2s2p(3P°)3p | 2D | 3/2 | 10.85577 | 0.00007 | 95 | L12312 | ||||||
5/2 | 10.85609 | 0.00007 | 95 | L12312 | ||||||||
2s2p(3P°)3p | 2S | 1/2 | 10.97503 | 0.00005 | 83 | 10 | 2s2p(3P°)4p | 2S | L12312 | |||
2s2p(3P°)3d | 2D° | 3/2 | 11.12203 | 0.00005 | 91 | 6 | 2p3 | 2D° | L12312 | |||
5/2 | 11.12244 | 0.00005 | 91 | 6 | 2p3 | 2D° | L12312 | |||||
2s2p(3P°)3d | 4D° | 3/2 | 11.26398+x | 0.00022 | 99 | L12312 | ||||||
5/2 | 11.26416+x | 0.00022 | 99 | L12312 | ||||||||
7/2 | 11.26451+x | 0.00022 | 99 | L12312 | ||||||||
2s2p(3P°)3d | 4P° | 5/2 | 11.36199+x | 0.00022 | 82 | 17 | 2s2p(3P°)4s | 4P° | L12312 | |||
3/2 | 11.36244+x | 0.00022 | 81 | 18 | 2s2p(3P°)4s | 4P° | L12312 | |||||
1/2 | 11.36266+x | 0.00022 | 81 | 18 | 2s2p(3P°)4s | 4P° | L12312 | |||||
2s2p(3P°)4s | 4P° | 5/2 | 11.42586+x | 0.00022 | 82 | 17 | 2s2p(3P°)3d | 4P° | L12312 | |||
2s2p(3P°)4p | 2P | 1/2 | 11.83397 | 0.00006 | 98 | L12312 | ||||||
3/2 | 11.83448 | 0.00006 | 98 | L12312 | ||||||||
2s2p(3P°)4d | 4D° | 3/2 | 11.99153+x | 0.00022 | 96 | L12312 | ||||||
5/2 | 11.99236+x | 0.00022 | 95 | 5 | 2s2p(3P°)4d | 4F° | L12312 | |||||
7/2 | 11.99283+x | 0.00022 | 95 | 4 | 2s2p(3P°)4d | 4F° | L12312 | |||||
2p3 | 4S° | 3/2 | 12.01169+x | 0.00022 | 100 | L12312 | ||||||
2s2p(3P°)5p | 2P | 3/2 | 12.26472 | 0.00010 | 99 | L12312 | ||||||
2s2p(3P°)5d | 4D° | 7/2 | 12.32190+x | 0.00022 | 53 | 47 | 2s2p(3P°)5d | 4F° | L12312 | |||
2s2p(3P°)6p | 2P | 3/2 | 12.48294 | 0.00010 | 98 | L12312 | ||||||
B II (2s2p 3P°0) | Limit | --- | 12.927036 | 0.000007 | L12312 | |||||||
B II (2s2p 3P°1) | Limit | --- | 12.927794 | 0.000006 | L12312 | |||||||
B II (2s2p 3P°2) | Limit | --- | 12.929796 | 0.000006 | L12312 | |||||||
B II (2s2p 1P°1) | Limit | --- | 17.398027 | 0.000006 | L12312 | |||||||
1s(2S)2s22p2(3P) | 2P | 1/2,3/2 | 190.58 | 0.09 | L12312 | |||||||
1s(2S)2s22p2(1D) | 2D | 3/2,5/2 | 190.71 | 0.09 | L12312 | |||||||
1s(2S)2s22p2(1S) | 2S | 1/2 | 191.87 | 0.09 | L12312 | |||||||
1s(2S)2s22p(3P°)3p | 2P | 1/2,3/2 | 198.19 | 0.10 | L12312 | |||||||
1s(2S)2s22p(3P°)3p | 2D | 3/2,5/2 | 198.54 | 0.10 | L12312 | |||||||
1s(2S)2s22p(3P°)3p | 2S | 1/2 | 198.88 | 0.10 | L12312 | |||||||
1s(2S)2s22p(3P°)4p | 1/2 or 3/2 | 199.55 | 0.10 | L12312 | ||||||||
1s(2S)2s22p(1P°)3p | 2P | 1/2,3/2 | 200.14 | 0.10 | L12312 | |||||||
B II (1s2s22p 3P°) | Limit | --- | 200.68 | 0.10 | L12312 | |||||||
1s(2S)2s22p(1P°)4p | 1/2 or 3/2 | 201.54 | 0.10 | L12312 | ||||||||
B II (1s2s22p 1P°) | Limit | --- | 202.66 | 0.10 | L12312 | |||||||
If you did not find the data you need, please inform the ASD Team.