X-ray Absorption Edge Energies


X-ray energy and wavelength conversion

Enter either a wavelength (shorter than 100 A) or an energy (larger than 100 ev) :
or select an anode material

List of selected X-ray absorption edge energies (in electron volt, eV)


Element

Atomic Number

Atomic Weight

K Edge

L1 Edge

L2 Edge

L3 Edge

M1 Edge

M5 Edge


H

1

1.008

13.6

0.0

0.0

0.0

0.0

0.0

He

2

4.003

24.6

0.0

0.0

0.0

0.0

0.0

Li

3

6.941

54.8

0.0

0.0

0.0

0.0

0.0

Be

4

9.012

111.0

0.0

0.0

0.0

0.0

0.0

B

5

10.811

188.0

0.0

4.7

4.7

0.0

0.0

C

6

12.011

283.8

0.0

6.4

6.4

0.0

0.0

N

7

14.007

401.6

0.0

9.2

9.2

0.0

0.0

O

8

15.999

532.0

23.7

7.1

7.1

0.0

0.0

F

9

18.998

685.4

31.0

8.6

8.6

0.0

0.0

Ne

10

20.18

866.9

45.0

18.3

18.3

0.0

0.0

Na

11

22.99

1072.1

63.3

31.1

31.1

0.0

0.0

Mg

12

24.305

1305.0

89.4

51.4

51.4

0.0

0.0

Al

13

26.982

1559.6

117.7

73.1

73.1

0.0

0.0

Si

14

28.086

1838.9

148.7

99.2

99.2

0.0

0.0

P

15

30.974

2145.5

189.3

132.2

132.2

0.0

0.0

S

16

32.066

2472.0

229.2

164.8

164.8

0.0

0.0

Cl

17

35.453

2822.4

270.2

201.6

200.0

0.0

0.0

Ar

18

39.948

3202.9

320.0

247.3

245.2

29.3

0.0

K

19

39.098

3607.4

377.1

296.3

293.6

34.8

0.0

Ca

20

40.078

4038.1

437.8

350.0

346.4

44.3

0.0

Sc

21

44.956

4492.8

500.4

406.7

402.2

51.1

0.0

Ti

22

47.88

4966.4

563.7

461.5

455.5

58.7

0.0

V

23

50.942

5465.1

628.2

520.5

512.9

66.3

0.0

Cr

24

51.996

5989.2

694.6

583.7

574.5

74.1

0.0

Mn

25

54.938

6539.0

769.0

651.4

640.3

82.3

0.0

Fe

26

55.847

7112.0

846.1

721.1

708.1

91.3

0.0

Co

27

58.933

7708.9

925.6

793.8

778.6

101.0

0.0

Ni

28

58.69

8332.8

1008.1

871.9

854.7

110.8

0.0

Cu

29

63.546

8978.9

1096.1

951.0

931.1

122.5

0.0

Zn

30

65.39

9658.6

1193.6

1042.8

1019.7

139.8

10.1

Ga

31

69.723

10367.1

1297.7

1142.3

1115.4

159.5

18.7

Ge

32

72.61

11103.1

1414.3

1247.8

1216.7

180.1

29.2

As

33

74.922

11866.7

1526.5

1358.6

1323.1

204.7

41.7

Se

34

78.96

12657.8

1653.9

1476.2

1435.8

229.6

54.6

Br

35

79.904

13473.7

1782.0

1596.0

1549.9

257.0

69.0

Kr

36

83.8

14325.6

1921.0

1727.2

1674.9

292.8

93.8

Rb

37

85.468

15199.7

2065.1

1863.9

1804.4

326.7

112.0

Sr

38

87.62

16104.6

2216.3

2006.8

1939.6

358.7

134.2

Y

39

88.906

17038.4

2372.5

2155.5

2080.0

392.0

155.8

Zr

40

91.224

17997.6

2531.6

2306.7

2222.3

430.3

178.8

Nb

41

92.906

18985.6

2697.7

2464.7

2370.5

466.6

202.3

Mo

42

95.94

19999.5

2865.6

2625.1

2520.2

506.3

227.9

Tc

43

98.906

21044.0

3042.5

2793.2

2676.9

544.0

253.9

Ru

44

101.07

22117.2

3224.0

2966.9

2837.9

586.1

280.0

RH

45

102.906

23219.9

3411.9

3146.1

3003.8

628.1

307.2

Pd

46

106.42

24350.3

3604.3

3330.3

3173.3

671.6

335.2

Ag

47

107.868

25514.0

3805.8

3523.7

3351.1

719.0

368.0

Cd

48

112.411

26711.2

4018.0

3727.0

3537.5

772.0

405.2

In

49

114.82

27939.9

4237.5

3938.0

3730.1

972.2

443.9

Sn

50

118.71

29200.1

4464.7

4156.1

3928.8

884.7

484.9

Sb

51

121.75

30491.2

4698.3

4380.4

4132.2

946.0

528.2

Te

52

127.6

31813.8

4939.2

4612.0

4341.4

1006.0

573.0

I

53

126.904

33169.4

5188.1

4852.1

4557.1

1072.0

620.0

Xe

54

131.29

34561.4

5452.8

5103.7

4782.2

1148.7

676.4

Cs

55

132.905

35984.6

5714.3

5359.4

5011.9

1211.0

726.6

Ba

56

137.327

37440.6

5988.8

5623.6

5247.0

1293.0

780.5

La

57

138.906

38924.6

6266.3

5890.6

5482.7

1362.0

836.0

Ce

58

140.115

40443.0

6548.8

6164.2

5723.4

1436.0

883.8

Pr

59

140.908

41990.6

6834.8

6440.4

5964.3

1511.0

928.8

Nd

60

144.24

43568.9

7126.0

6721.5

6207.9

1575.0

980.4

Pm

61

146.915

45184.0

7427.9

7012.8

6459.3

 

1027.0

Sm

62

150.36

46834.2

7736.8

7311.8

6716.2

1723.0

1083.4

Eu

63

151.965

48519.0

8052.0

7617.1

6976.9

1800.0

1127.5

Gd

64

157.25

50239.1

8375.6

7930.3

7242.8

1881.0

1189.6

Tb

65

158.925

51995.7

8708.0

8251.6

7514.0

1968.0

1251.1

Dy

66

162.5

53788.5

9045.8

8580.6

7790.1

2047.0

1292.0

Ho

67

164.93

55617.7

9394.2

8917.8

8071.1

2128.0

1351.0

Er

68

167.26

57485.5

9751.3

9264.3

8357.9

2206.0

1409.0

Tm

69

168.934

59389.6

10115.7

9616.9

8648.0

2307.0

1468.0

Yb

70

173.04

61332.3

10486.4

9978.2

8943.6

2398.0

1528.0

Lu

71

174.967

63313.8

10870.4

10348.6

9244.1

2491.0

1589.0

Hf

72

178.49

65350.8

11270.7

10739.4

9560.7

2601.0

1662.0

Ta

73

180.948

67416.4

11681.5

11136.1

9881.1

2708.0

1735.0

W

74

183.85

69525.0

12099.8

11544.0

10206.8

2820.0

1809.0

Re

75

186.207

71676.4

12526.7

11958.7

10535.3

2932.0

1883.0

Os

76

190.2

73870.8

12968.0

12385.0

10870.9

3049.0

1960.0

Ir

77

192.22

76111.0

13418.5

12824.1

11215.2

3174.0

2040.0

Pt

78

195.08

78394.8

13879.9

13272.6

11563.7

3296.0

2122.0

Au

79

196.967

80724.9

14352.8

13733.6

11918.7

3425.0

2206.0

Hg

80

200.59

83102.3

14839.3

14208.7

12283.9

3562.0

2295.0

Tl

81

204.383

85530.4

15346.7

14697.9

12657.5

3704.0

2369.0

Pb

82

207.2

88004.5

15860.8

15200.0

13035.2

3851.0

2484.0

Bi

83

208.98

90525.9

16387.6

15711.1

13418.6

3999.0

2580.0

Po

84

208.982

93105.0

16939.3

16244.3

13813.8

4149.0

2683.0

At

85

209.987

95729.9

17493.0

16784.7

14213.5

4317.0

2787.0

Rn

86

222.018

98404.0

18049.0

17337.1

14619.4

4482.0

2892.0

Fr

87

223.02

101137.0

18639.0

17906.5

15031.2

4652.0

3000.0

Ra

88

226.025

103921.9

19236.7

18484.3

15444.4

4822.0

3105.0

Ac

89

227.028

106755.3

19840.0

19083.2

15871.0

5002.0

3219.0

TH

90

232.038

109650.9

20472.1

19693.2

16300.3

5182.0

3332.0

Pa

91

231.036

112601.4

21104.6

20313.7

16733.1

5367.0

3442.0

U

92

238.029

115606.1

21757.4

20947.6

17166.3

5548.0

3552.0

NP

93

237.048

118678.0

22426.8

21600.5

17610.0

Pu

94

244.064

121818.0

23097.2

22266.2

18056.8

Am

95

243.061

125027.0

23772.9

22944.0

18504.1

Cm

96

247.07

128200.0

24460.0

23779.0

18930.0

Bk

97

247.07

131590.0

25275.0

24385.0

19452.0

Cf

98

251.08

135960.0

26110.0

25250.0

19930.0

Es

99

252.083

139490.0

26900.0

26020.0

20410.0

Fm

100

257.095

143090.0

27700.0

26810.0

20900.0

Md

101

258.099

146780.0

28530.0

27610.0

21390.0

No

102

259.101

150540.0

29380.0

28440.0

21880.0

Lr

103

260.105

154380.0

30240.0

29280.0

22360.0

Data from Bearden and Burr. Rev. Mod. Phys. 39 125 [1967] and other sources


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Copyright Bernhard Rupp
Last modified: December 26, 2009 16:40