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 3800-8000 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
1211.757	Si	IV	7	-	2p6.4s	2S1/2	193978.89	2p6.5p	2P°1/2	276503.67
1212.02	Si	III	7	-	3p2	1S0	153444.23	3p.3d	1P°1	235951.09
1212.247	Si	III	7	-	3s.4p	1P°1	176487.19	3p.4p	1S0	258978.66
1216.12	Si	II	50	-
1217.14	Si	XI	7	-	1s2.2p.3s	3P°2	2430220	1s2.2p.3p	3P2	2512380
1217.67	Si	VI	7	-	2s2.2p4.(1D).3s	2D5/2	1041416	2s2.2p4.(1D).3p	2F°5/2	1123540
1218.5	Si	VI	7	-	2s2.2p4.(1D).3s	2D3/2	1041472	2s2.2p4.(1D).3p	2F°5/2	1123540
1220.637	Si	IV	7	-	2p6.4f	2F°5/2	254127.08	2p6.8d	2D3/2	336051.55
1220.666	Si	IV	7	-	2p6.4f	2F°7/2	254129.03	2p6.8d	2D5/2	336051.55
1222.276	Si	II	7	-	3s.3p2	4P1/2	42824.29	3s.3p.(3P°).3d	4P°1/2	124638.9
1222.624	Si	II	7	-	3s.3p2	4P1/2	42824.29	3s.3p.(3P°).3d	4P°3/2	124615.6
1223.896	Si	II	7	-	3s.3p2	4P3/2	42932.62	3s.3p.(3P°).3d	4P°1/2	124638.9
1223.91	Si	II	95	-
1224.25	Si	II	95	-	3s.3p2	4P3/2	42932.62	3s.3p.(3P°).3d	4P°3/2	124615.6
1224.97	Si	II	50	-	3s.3p2	4P3/2	42932.62	3s.3p.(3P°).3d	4P°5/2	124567.4
1226.81	Si	II	240	-	3s.3p2	4P1/2	42824.29	3s.3p.(3P°).3d	4D°1/2	124337.3
1226.89	Si	II	95	-	3s.3p2	4P5/2	43107.91	3s.3p.(3P°).3d	4P°3/2	124615.6
1226.99	Si	II	195	-	3s.3p2	4P1/2	42824.29	3s.3p.(3P°).3d	4D°3/2	124325.3
1227.6	Si	II	480	-	3s.3p2	4P5/2	43107.91	3s.3p.(3P°).3d	4P°5/2	124567.4
1228.349	Si	IV	7	-	2p6.4p	2P°1/2	218266.86	2p6.6s	2S1/2	299676.95
1228.44	Si	II	50	-	3s.3p2	4P3/2	42932.62	3s.3p.(3P°).3d	4D°1/2	124337.3
1228.62	Si	II	120	-	3s.3p2	4P3/2	42932.62	3s.3p.(3P°).3d	4D°3/2	124325.3
1228.75	Si	II	735	-	3s.3p2	4P3/2	42932.62	3s.3p.(3P°).3d	4D°5/2	124316.9
1229.01	Si	VI	7	-	2s2.2p4.(3P).3s	2P3/2	1005430	2s2.2p4.(3P).3p	2D°5/2	1086796
1229.39	Si	II	975	-	3s.3p2	4P5/2	43107.91	3s.3p.(3P°).3d	4D°7/2	124449.5
1230.749	Si	II	7	-	3s2.3p	2P°1/2	0	3s2.4p	2P°3/2	81251.32
1230.795	Si	IV	7	-	2p6.4p	2P°3/2	218428.67	2p6.6s	2S1/2	299676.95
1231.263	Si	II	7	-	3s.3p2	4P5/2	43107.91	3s.3p.(3P°).3d	4D°3/2	124325.3
1231.391	Si	II	7	-	3s.3p2	4P5/2	43107.91	3s.3p.(3P°).3d	4D°5/2	124316.9
1231.658	Si	II	7	-	3s2.3p	2P°1/2	0	3s2.4p	2P°1/2	81191.34
1235.116	Si	II	7	-	3s2.3p	2P°3/2	287.24	3s2.4p	2P°3/2	81251.32
1235.43	Si	III	35	-	3p2	1S0	153444.23	3s.6p	1P°1	234387.64
1235.453	Si	V	7	-	2s2.2p5.3s	3P°2	838017.4	2s2.2p5.3p	3D2	918959.4
1235.92	Si	II	50	-
1236.031	Si	II	7	-	3s2.3p	2P°3/2	287.24	3s2.4p	2P°1/2	81191.34
1243.33	Si	VI	7	-	2s2.2p4.(3P).3s	2P1/2	1009118	2s2.2p4.(3P).3p	2D°3/2	1089547
1245.735	Si	V	7	-	2s2.2p5.3s	3P°1	840590	2s2.2p5.3p	3D1	920863.9
1246.74	Si	II	480	-	3s.3p2	4P1/2	42824.29	3p3	4S°3/2	123033.5
1248.43	Si	II	735	-	3s.3p2	4P3/2	42932.62	3p3	4S°3/2	123033.5
1250.09	Si	II	480	-
1250.43	Si	II	735	-
1251.16	Si	II	975	-	3s.3p2	4P5/2	43107.91	3p3	4S°3/2	123033.5
1251.391	Si	V	7	-	2s2.2p5.3s	3P°2	838017.4	2s2.2p5.3p	3D3	917928.5
1251.41	Si	XI	7	-	1s2.2p.3s	3P°2	2430220	1s2.2p.3p	3P1	2510130
1251.655	Si	V	7	-	2s2.2p5.3s	1P°1	848511.2	2s2.2p5.3p	3P1	928405.4
1252.82	Si	X	7	-	2s.2p2	2D3/2	287850	2s.2p2	2S1/2	367670
1253.29	Si	X	7	-	2s.2p2	2D5/2	287880	2s.2p2	2S1/2	367670
1255.28	Si	I	50	-
1256.49	Si	I	195	-
1258.8	Si	I	240	-

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