Line Tables

These tables give observed air wavelengths for the 2000-20000 Å range for spectra other than Fr I. Outside of the 2000-20000 Å range, the wavelengths are vacuum wavelengths. Lines of Fr I are extrapolated vacuum wavelengths from known energy levels. All observed lines are from NIST ASD. All energy level information is from NIST ASD. Wavelengths from MIT Wavelength Tables have been omitted as this publication appears to still be under copyright. However, in some cases, the exact same wavelength is given by NIST and MIT; in that case, the line is included.

Line intensities have been adjusted in the visible region to match photographed visible spectra. Line intensities of Rn have been adjusted to match the Grotrian diagram of Rn I. Line intensities in the infrared and ultraviolet are less reliable, but every effort was made to estimate them as accurately as possible. The elements He, O, Cl, Ar, Kr, and Xe have had their NIR lines photographed out to roughly 11000 Å. The intensities of the "brightest" several IR lines of each of these elements, in the 7000-10000 Å range, can be trusted. For the range of 800-8000 Å, estimated visual brightnesses (EVB) are given. A dash in either of the intensity columns means the line intensity would be less than one relative to other lines of the same spectrum.

All Spectra

H   He
Li Be   B C N O F Ne
Na Mg   Al Si P S Cl Ar
K Ca   Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr   Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

Entire Range | 2000-10000 Å | Visible Region | Si CCD/CMOS Region | Thermal IR | Vacuum UV
Specific Wavelength (rounded):  Å  nm

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λ, Å E. Sp.# Rel.Int. EVB Lower Config Lower Term+J Lower Level Upper Config Upper Term+J Upper Level
2528.471 Si III 7 - 3s.4d 1D2 204330.79 3s.6f 13 243868.5
2528.509 Si I 3500 - 3s2.3p2 3P2 223.157 3s2.3p.4s 31 39760.285
2532.381 Si I 645 - 3s2.3p2 1S0 15394.37 3s2.3p.5s 11 54871.031
2541.82 Si III 150 - 3s.3p 11 82884.41 3p2 1D2 122214.52
2544.8 Si VI 7 - 2s2.2p4.(1D).3s 2D5/2 1041416 2s2.2p4.(3P).3p 45/2 1080700
2546.09 Si III 60 - 3s.3d 1D2 165765 3p.3d 12 205029.09
2548.4 Si VI 7 - 2s2.2p4.(1D).3s 2D3/2 1041472 2s2.2p4.(3P).3p 45/2 1080700
2559.21 Si III 80 - 3s.3d 1D2 165765 3s.4f 13 204828.06
2561.823 Si I 7 - 3s2.3p2 1D2 6298.85 3s.3p3 33 45321.848
2563.679 Si I 165 - 3s2.3p2 1D2 6298.85 3s.3p3 32 45293.629
2564.825 Si I 7 - 3s2.3p2 1D2 6298.85 3s.3p3 31 45276.188
2568.641 Si I 480 - 3s2.3p2 1S0 15394.37 3s2.3p.5s 31 54313.818
2577.151 Si I 255 -
2601.557 Si II 7 - 3s.3p2 4P1/2 42824.29 3s2.4p 23/2 81251.32
2604.421 Si II 7 - 3s2.4s 2S1/2 65500.47 3s2.5p 23/2 103885.25
2605.625 Si II 7 - 3s.3p2 4P1/2 42824.29 3s2.4p 21/2 81191.34
2606.085 Si II 7 - 3s2.4s 2S1/2 65500.47 3s2.5p 21/2 103860.74
2608.913 Si II 7 - 3s.3p2 4P3/2 42932.62 3s2.4p 23/2 81251.32
2613.003 Si II 7 - 3s.3p2 4P3/2 42932.62 3s2.4p 21/2 81191.34
2620.903 Si II 7 - 3s.3p2 4P5/2 43107.91 3s2.4p 23/2 81251.32
2631.282 Si I 1000 - 3s2.3p2 1S0 15394.37 3s2.3p.3d 11 53387.334
2640.79 Si III 60 - 3p.3d 12 205029.09 3p.4p 1P1 242885.3
2645.538 Si II 7 - 3s.3p2 2P1/2 83801.95 3s.3p.(3P°).4s 23/2 121590.19
2655.51 Si III 75 - 3s.4f 13 204828.06 3s.6g 1G4 242474.27
2655.805 Si II 7 - 3s.3p2 2P1/2 83801.95 3s.3p.(3P°).4s 21/2 121444.12
2659.779 Si II 7 - 3s.3p2 2P3/2 84004.26 3s.3p.(3P°).4s 23/2 121590.19
2664.5 Si VI 7 - 2s2.2p4.(1D).3s 2D5/2 1041416 2s2.2p4.(3P).3p 47/2 1078935
2670.156 Si II 7 - 3s.3p2 2P3/2 84004.26 3s.3p.(3P°).4s 21/2 121444.12
2672.19 Si IV 5 - 2p6.5p 21/2 276503.67 2p6.6d 2D3/2 313914.92
2675.111 Si IV 7 - 2p6.4f 25/2 254127.08 2p6.5d 2D5/2 291497.6
2675.12 Si IV 20 - 2p6.4f 25/2 254127.08 2p6.5d 2D3/2 291497.5
2675.25 Si IV 20 - 2p6.4f 27/2 254129.03 2p6.5d 2D5/2 291497.6
2677.57 Si IV 5 - 2p6.5p 23/2 276579.03 2p6.6d 2D3/2 313914.92
2677.906 Si II 7 - 3s2.4p 21/2 81191.34 3s2.6d 2D3/2 118522.86
2682.21 Si II 55 - 3s2.4p 23/2 81251.32 3s2.6d 2D3/2 118522.86
2695.3 Si XI 7 - 1s2.2p.3p 3P2 2512380 1s2.2p.3d 33 2549470
2704.1 Si XI 7 - 1s2.2p.3p 3P1 2510130 1s2.2p.3d 32 2547100
2712.525 Si III 7 - 3p2 1D2 122214.52 3s.4s 1S0 159069.61
2721.2 Si V 7 - 2s2.2p5.(2P°3/2).4p 2[5/2]3 1127908 2s2.2p5.(2P°3/2).4d 2[7/2]°4 1164645
2722.249 Si II 7 - 3s2.4p 21/2 81191.34 3s2.7s 2S1/2 117914.8
2722.4 Si VIII 7 - 2s2.2p3 23/2 69168.1 2s2.2p3 23/2 105890
2723.8 Si IV 7 - 2p6.5d 2D3/2 291497.5 2p6.7f 25/2 328200.04
2723.81 Si IV 15 - 2p6.5d 2D5/2 291497.6 2p6.7f 25/2 328200.04
2726.702 Si II 7 - 3s2.4p 23/2 81251.32 3s2.7s 2S1/2 117914.8
2736.611 Si II 7 - 3s.3p2 4P1/2 42824.29 3s2.3d 2D5/2 79355.02
2737.85 Si II 7 - 3s.3p2 4P1/2 42824.29 3s2.3d 2D3/2 79338.5
2741.2 Si VIII 7 - 2s2.2p3 25/2 69420.5 2s2.2p3 23/2 105890
2747.2 Si VII 7 - 2s2.2p3.(2P°).3d 32 1466490 2s.2p4.(4P).3s 3P1 1502880
2763.1 Si VIII 7 - 2s2.2p3 23/2 69168.1 2s2.2p3 21/2 105348
2768.929 Si III 7 - 3s.5p 11 214532.17 3s.7d 1D2 250636.55
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