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
2001.072 Si III 7 - 3p.3d 34 199164.1 3s.7d 3D3 249121.14
2004.16 Si II 7 - 3s.3p2 2S1/2 76665.35 3s2.10p 21/2 126545.4
2004.95 Si II 7 - 3s.3p2 2S1/2 76665.35 3s2.10p 23/2 126525.8
2009.14 Si III 7 - 3s.4f 13 204828.06 3s.8g 1G4 254584.6
2009.899 Si III 7 - 3p.3d 12 205029.09 3s.8d 1D2 254766.75
2010.97 Si I 150 -
2014.92 Si II 7 - 3s.3p2 2S1/2 76665.35 3s.3p.(3P°).3d 21/2 126279
2016.66 Si II 7 - 3s.3p2 2S1/2 76665.35 3s.3p.(3P°).3d 23/2 126236.4
2048. Si VI 7 - 2s2.2p4.(1D).3p 23/2 1134081 2s2.2p4.(3P).3d 4D1/2 1182894
2049.903 Si III 7 - 3s.3d 1D2 165765 3s.5p 11 214532.17
2051.5 Si X 7 - 2s.2p.(3P°).3p 2D3/2 2105750 2s.2p.(3P°).3d 25/2 2154480
2052.4 Si XI 7 - 1s2.2p2 3P1 446494 1s2.2p2 1D2 495201
2054.83 Si I 240 -
2058.133 Si I 7 - 3s2.3p2 1D2 6298.85 3s2.3p.5s 11 54871.031
2058.65 Si II 240 -
2059.01 Si II 240 -
2061.19 Si I 195 -
2062.207 Si II 7 - 3s2.4s 2S1/2 65500.47 3s2.6p 23/2 113976.72
2062.83 Si II 7 - 3s2.4s 2S1/2 65500.47 3s2.6p 21/2 113962.08
2065.52 Si I 150 -
2072.02 Si II 975 - 3s.3p2 2D3/2 55309.35 3s2.4f 25/2 103556.16
2072.695 Si II 7 - 3s.3p2 2D5/2 55325.18 3s2.4f 25/2 103556.16
2072.7 Si II 975 - 3s.3p2 2D5/2 55325.18 3s2.4f 27/2 103556.03
2072.764 Si I 7 - 3s2.3p2 1D2 6298.85 3s2.3p.5s 32 54528.22
2075.028 Si III 7 - 3s.4d 3D1 201597.73 3s.7f 32 249774.48
2075.042 Si III 7 - 3s.4d 3D2 201598.28 3s.7f 33 249774.7
2075.052 Si III 7 - 3s.4d 3D2 201598.28 3s.7f 32 249774.48
2075.082 Si III 7 - 3s.4d 3D3 201599.48 3s.7f 34 249774.98
2075.094 Si III 7 - 3s.4d 3D3 201599.48 3s.7f 33 249774.7
2075.104 Si III 7 - 3s.4d 3D3 201599.48 3s.7f 32 249774.48
2077. Si VI 7 - 2s2.2p4.(1D).3s 2D5/2 1041416 2s2.2p4.(3P).3p 23/2 1089547
2078.3 Si XI 7 - 1s2.2p.3p 3P1 2510130 1s2.2p.3d 31 2558230
2079.4 Si VI 7 - 2s2.2p4.(1D).3s 2D3/2 1041472 2s2.2p4.(3P).3p 23/2 1089547
2082.021 Si I 7 - 3s2.3p2 1D2 6298.85 3s2.3p.5s 31 54313.818
2084.462 Si I 7 - 3s2.3p2 1D2 6298.85 3s2.3p.3d 33 54257.582
2084.8 Si X 7 - 2s.2p.(3P°).3p 2D3/2 2105750 2s.2p.(3P°).3d 23/2 2153700
2086.747 Si I 7 - 3s2.3p2 1D2 6298.85 3s2.3p.3d 32 54205.09
2087.611 Si I 7 - 3s2.3p2 1D2 6298.85 3s2.3p.3d 31 54185.264
2090.7 Si VI 7 - 2s2.2p4.(1D).3p 25/2 1134496 2s2.2p4.(3P).3d 4D3/2 1182311
2101.6 Si VI 7 - 2s2.2p4.(1D).3p 23/2 1134081 2s2.2p4.(3P).3d 4D5/2 1181649
2103.21 Si I 150 -
2114.63 Si I 150 -
2120.1 Si VI 7 - 2s2.2p4.(1D).3p 25/2 1134496 2s2.2p4.(3P).3d 4D5/2 1181649
2120.18 Si IV 15 - 2p6.4p 21/2 218266.86 2p6.5s 2S1/2 265417.95
2122.99 Si I 7 - 3s2.3p2 1D2 6298.85 3s2.3p.3d 11 53387.334
2124.12 Si I 480 - 3s2.3p2 1D2 6298.85 3s2.3p.3d 13 53362.24
2126.5 Si XI 7 - 1s2.2s.3p 11 2285040 1s2.2s.3d 3D2 2332050
2127.47 Si IV 20 - 2p6.4p 23/2 218428.67 2p6.5s 2S1/2 265417.95
2133.99 Si II 50 -
2136.4 Si II 150 -
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