NIST Atomic Spectra Database Lines Data All Spectra: 42 Lines of Data 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, April 23]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
|
Wavelength range: 251.58 - 251.64 nm λ in: vacuum below 200 nm, air between 200 and 2000 nm, vacuum above 2000 nm Highest relative intensity: 180000 |
Ion | Observed Wavelength Air (nm) |
Unc. (nm) |
Ritz Wavelength Air (nm) |
Unc. (nm) |
Rel. Int. (?) |
Aki (s−1) |
Acc. | Ei (cm−1) |
Ek (cm−1) |
Lower Level Conf., Term, J |
Upper Level Conf., Term, J |
Type | TP Ref. |
Line Ref. |
|||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Zn I | 251.5807 | 0.0021 | 251.5807 | 0.0019 | 180000 | 32 890.3267 | - | 72 627.05 | 3d104s4p | 3P° | 2 | 3d104s7d | 3D | 3 | L3284 | ||||
Cr II | 251.58476 | 0.00011 | 251.584731 | 0.000013 | 5 | 65 542.8987 | - | 105 278.978 | 3d4(3H)4p | z 2G° | 7/2 | 3d4(3H)4d | g 4G | 7/2 | L18847 | ||||
Fe I | 251.58536 | 0.00009 | 251.585322 | 0.000014 | 42 | 1.22e+06 | C | 12 560.934 | - | 52 296.920 | 3d7(4F)4s | a 3F | 3 | 3d7(2P)4p | u 3D° | 2 | T5720 | L11631 | |
Pt II | 251.58665 | 0.00020 | 251.58667 | 0.00008 | 450 | 65 351.117 | - | 105 086.890 | 5d8(3P)6p | (2,3/2)° | 5/2 | 5d8(3F)6d | (4,5/2) | 7/2 | L11529 | ||||
Al IV | 251.587 | 0.010 | 251.585 | 0.010 | 400* | 861 252.4 | - | 900 988.4 | 2s22p5(2P°1/2)4f | 2[7/2] | 4 | 2s22p5(2P°1/2)5g | 2[7/2]° | 3 | L2829 | ||||
Al IV | 251.587 | 0.010 | 251.585 | 0.010 | 400* | 861 252.4 | - | 900 988.4 | 2s22p5(2P°1/2)4f | 2[7/2] | 4 | 2s22p5(2P°1/2)5g | 2[7/2]° | 4 | L2829 | ||||
Al IV | 251.587 | 0.010 | 251.585 | 0.010 | 400* | 861 252.4 | - | 900 988.4 | 2s22p5(2P°1/2)4f | 2[7/2] | 4 | 2s22p5(2P°1/2)5g | 2[9/2]° | 4 | L2829 | ||||
Al IV | 251.587 | 0.010 | 251.585 | 0.010 | 400* | 861 252.4 | - | 900 988.4 | 2s22p5(2P°1/2)4f | 2[7/2] | 4 | 2s22p5(2P°1/2)5g | 2[9/2]° | 5 | L2829 | ||||
Al IV | 251.587 | 0.010 | 251.586 | 0.010 | 400* | 857 835.1 | - | 897 571.0 | 2s22p5(2P°3/2)4f | 2[5/2] | 2 | 2s22p5(2P°3/2)5g | 2[7/2]° | 3 | L2829 | ||||
Cr II | 251.58864 | 0.00004 | 251.588675 | 0.000013 | 14 | 70 107.6226 | - | 109 843.079 | 3d4(a 3F)4p | y 2G° | 9/2 | 3d4(3G)4d | 4F | 7/2 | L18847 | ||||
Cr I | 251.590 | 0.002 | 251.590657 | 0.000012 | 7 | 8 307.5753 | - | 48 042.7187 | 3d44s2 | a 5D | 4 | ° | 4 | L808 | |||||
Fe II | 251.59055 | 0.00002 | 251.590571 | 0.000012 | 4000 | 8.4e+07 | C+ | 64 834.069 | - | 104 569.226 | 3d6(3P2)4p | z 2P° | 3/2 | 3d6(3P2)4d | 4F | 5/2 | T6892c83 | L18349c139 | |
W I | 251.5922 | 0.0010 | 251.5922 | 0.0006 | 4 | 13 307.10 | - | 53 042.00 | 5d46s2 | 3P2 | 1 | ° | 1 | L153 | |||||
Fe II | 251.59335 | 0.00004 | 251.593370 | 0.000011 | 6000 | 2.9e+07 | D+ | 39 109.3161 | - | 78 844.031 | 3d6(5D)4p | z 6D° | 1/2 | 3d6(5D)5s | e 6D | 1/2 | T6892c83 | L18349c148 | |
Mn II | 251.5994 | 0.0006 | 1 | L562 | |||||||||||||||
Na VIII | 251.6 | 0.9 | 4.99e+07 | B | 1 399 670 | - | 1 439 410? | 1s22p3s | 3P° | 0 | 1s22p3p | 3D | 1 | T5633c3,LS | |||||
Ti III | 251.6053 | 0.0010 | 251.6066+ | 0.0009 | 25 | 3.4e+08 | D | 38 425.99 | - | 78 158.61 | 3p63d4s | 3D | 3 | 3p63d4p | 3F° | 4 | T1216 | L3593,L11926 | |
Fe II | 251.6057 | 0.0005 | 251.604730 | 0.000019 | 240d,bl(Fe II)?* | 1.1e+06 | D | 50 157.475 | - | 89 890.396 | 3d6(3F1)4s | c 4F | 9/2 | 3d6(3F1)4p | 4G° | 7/2 | T6892c83 | L18349c142 | |
Fe II | 251.6057 | 0.0005 | 251.606788 | 0.000011 | 240d,bl(Fe II)?* | 63 876.325 | - | 103 608.921 | 3d6(3F2)4p | y 4G° | 11/2 | 3d6(3G)5s | e 2G | 9/2 | L18349c142 | ||||
Rb II | 251.6113 | 0.0005 | 3 | L2590 | |||||||||||||||
Si I | 251.6113 | 0.0010 | 251.6112 | 0.0010 | 500 | 1.68e+08 | B | 223.157 | - | 39 955.053 | 3s23p2 | 3P | 2 | 3s23p4s | 3P° | 2 | T5814 | L3521 | |
Fe II | 251.611864 | 0.000006 | 3.9e+06 | D | 45 206.4704 | - | 84 938.265 | 3d6(5D)4p | z 4D° | 1/2 | 3d6(5D)4d | e 6G | 3/2 | T6892c83 | |||||
W II | 251.61223 | 0.00010 | 251.61223 | 0.00005 | 16 | 23 234.778 | - | 62 966.514 | 9/2 | 11/2 | L11762 | ||||||||
Ba III | 251.6124 | 0.0020 | 251.6125 | 0.0009 | 13 | 179 530.58 | - | 219 262.27 | 5p5(2P°3/2)6p | 2[5/2] | 2 | 5p5(2P°3/2)6d | 2[5/2]° | 2 | L3667 | ||||
Mn II | 251.613 | 0.002 | 251.6134 | 0.0003 | 40* | 30 796.06 | - | 70 527.61 | 3d6 | a 3H | 4 | 3d5(4G)4p | z 3G° | 5 | L562 | ||||
Mn II | 251.613 | 0.002 | 251.61393 | 0.00019 | 40* | 43 339.452 | - | 83 070.92 | 3d5(2D)4s | c 3D | 2 | 3d5(a 2F)4p | w 3D° | 2 | L562 | ||||
V III | 251.614 | 0.010 | 251.6135 | 0.0010 | 500 | 3.7e+08 | D | 63 303.12 | - | 103 034.65 | 3d2(1G)4s | b 2G | 9/2 | 3d2(1G)4p | y 2G° | 9/2 | T3396n | L4746 | |
W I | 251.616 | 0.010 | 20 | L153 | |||||||||||||||
Pt II | 251.61835 | 0.00020 | 251.61856 | 0.00013 | 270 | 58 062.098 | - | 97 792.836 | 5d76s2 | 2F | 5/2 | 5d76s6p | 97792° | 5/2 | L11529 | ||||
W II | 251.61926 | 0.00010 | 251.61921 | 0.00025 | 3 | 28 631.688 | - | 68 362.322 | 7/2 | 7/2 | L11762 | ||||||||
Ne VII | 251.62 | 0.10 | 251.6 | 0.3 | 800* | 1 522 420 | - | 1 562 152 | 1s22s6h | 1H° | 5 | 1s22s7i | L9089 | ||||||
Al IV | 251.620 | 0.010 | 251.619 | 0.010 | 80bl* | 861 257.7 | - | 900 988.4 | 2s22p5(2P°1/2)4f | 2[5/2] | 3 | 2s22p5(2P°1/2)5g | 2[7/2]° | 4 | L2829 | ||||
Al IV | 251.620 | 0.010 | 251.619 | 0.010 | 80bl* | 861 257.7 | - | 900 988.4 | 2s22p5(2P°1/2)4f | 2[5/2] | 3 | 2s22p5(2P°1/2)5g | 2[7/2]° | 3 | L2829 | ||||
Ne VII | 251.62 | 0.10 | 251.62 | 0.11 | 800* | 1 522 421 | - | 1 562 152 | 1s22s6h | 3H° | 1s22s7i | L9089 | |||||||
Cd II | 251.6224 | 0.0010 | 251.6224+ | 0.0009 | 30 | 89 689.25 | - | 129 419.38 | 4d105d | 2D | 3/2 | 4d108f | 2F° | 5/2 | L3540 | ||||
V II | 251.62278 | 0.00015 | 251.622667 | 0.000013 | 2300 | 36 673.5838 | - | 76 403.6726 | 3d3(4F)4p | z 5F° | 2 | 3d3(4F)4d | 5D | 2 | L18516 | ||||
Co II | 251.62485 | 0.00012 | 251.624819 | 0.000025 | 130 | 6.e+06 | D | 67 209.258 | - | 106 939.007 | 3d7(2P)4p | z 1D° | 2 | 3d7(4P)4d | 3D | 3 | T6999 | L9429c118 | |
Fe I | 251.62504 | 0.00020 | 251.625003 | 0.000009 | 115bl | 3.73e+05 | C | 7 376.764 | - | 47 106.484 | 3d7(4F)4s | a 5F | 4 | 3d6(3H)4s4p(3P°) | z 3H° | 4 | T5720 | L11631 | |
W II | 251.62709 | 0.00010 | 251.627239 | 0.000190 | 4 | 18 000.627 | - | 57 729.994 | 7/2 | 7/2 | L11762 | ||||||||
W I | 251.6328 | 0.0010 | 251.6320 | 0.0006 | 3 | 19 535.01 | - | 59 263.63 | 5d5(4G)6s | 5G | 5 | ° | 5 | L153 | |||||
Mn II | 251.634 | 0.002 | 251.63306 | 0.00019 | 2 | 31 662.04 | - | 71 390.488 | 3d6 | a 3F | 3 | 3d5(4D)4p | x 5P° | 3 | L562 | ||||
Yb II | 251.635 | 0.010 | 18 | L3475 |
If you did not find the data you need, please inform the ASD Team.