Energy in Rydbergs | ||||
LS state | NISTa | Current | B&Lb | |
1 | 2s2 1S | 0.0000 | 0.0000 | 0.0000 |
2 | 2s2p 3P | 1.3019 | 1.2877 | 1.3111 |
3 | 2s2p 1P | 2.4758 | 2.5292 | 2.5457 |
4 | 2p2 3P | 3.3555 | 3.3190 | 3.3956 |
5 | 2p2 1D | 3.6915 | 3.7066 | 3.7742 |
6 | 2p2 1S | 4.5530 | 4.5875 | 4.6851 |
7 | 2s3s 3S | 13.9647 | 13.9390 | 13.9410 |
8 | 2s3s 1S | 14.1983 | 14.1738 | 14.1800 |
9 | 2s3p 1P | 14.5220 | 14.4928 | 14.5096 |
10 | 2s3p 3P | 14.5575 | 14.5255 | 14.5377 |
11 | 2s3d 3D | 14.8647 | 14.8696 | 14.8482 |
12 | 2s3d 1D | 15.0776 | 15.0808 | 15.0878 |
13 | 2p3s 3P | 15.6064 | 15.5577 | 15.5980 |
14 | 2p3s 1P | 15.8837 | 15.8055 | 15.8453 |
15 | 2p3p 1P | 15.9300 | 15.8824 | 15.9192 |
16 | 2p3p 3D | 16.0149 | 15.9687 | 16.0069 |
17 | 2p3p 3S | 16.1329 | 16.0867 | 16.1258 |
18 | 2p3p 3P | 16.2160 | 16.1576 | 16.2127 |
19 | 2p3d 1D | 16.3084 | 16.2768 | 16.2968 |
20 | 2p3d 3F | - | 16.2910 | 16.2879 |
21 | 2p3p 1D | 16.3652 | 16.3359 | 16.3892 |
22 | 2p3d 3D | 16.4777 | 16.4307 | 16.4704 |
23 | 2p3d 3P | 16.5460 | 16.5106 | 16.5421 |
24 | 2p3p 1S | - | 16.6286 | 16.6815 |
25 | 2p3d 1F | 16.7189 | 16.7066 | 16.7492 |
26 | 2p3d 1P | 16.7815 | 16.7398 | 16.7998 |
a NIST database http://www.physics.nist.gov; b Bhatia & Landi (2007).