Electron Binding Energies

Electron Binding Energies Navigation

By Name

By Symbol

By Number

Actinium to Barium

Berkelium to Cerium

Cesium to Erbium

Europium to Gold

Hafnium to Lanthanum

Lawrencium to Mercury

Molybdenum to Osmium

Oxygen to Promethium

Protactinium to Rubidium

Ruthenium to Technetium

Tellurium to Titanium

Tungsten to Zirconium

Element

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Actinium

K (1s)

106755 eV

LI (2s)

19840 eV

LII (2p1/2)

19083 eV

LIII (2p3/2)

15871 eV

MI (3s)

5002 eV

MII (3p1/2)

4656 eV

MIII (3p3/2)

3909 eV

MIV (3d3/2)

3370 eV

MV (3d5/2)

3219 eV

NI (4s)

1269 eV

NII (4p1/2)

1080 eV

NIII (4p3/2)

890 eV

NIV (4d3/2)

675 eV

NV (4d5/2)

639 eV

NVI (4f5/2)

319 eV

NVII (4f7/2)

319 eV

OI (5s)

272 eV

OII (5p1/2)

215 eV

OIII (5p3/2)

167 eV

OIV (5d3/2)

80 eV

OV (5d5/2)

80 eV

Aluminum

K (1s)

1559.6 eV

LI (2s)

117.8 eV

LII (2p1/2)

72.95 eV

LIII (2p3/2)

72.55 eV

Americium

K (1s)

124982 ± 5 eV

LI (2s)

23808 ± 3 eV

LII (2p1/2)

22952 ± 3 eV

LIII (2p3/2)

18510 ± 3 eV

MI (3s)

6133 ± 2 eV

MII (3p1/2)

5739 ± 5 eV

MIII (3p3/2)

4698 ± 5 eV

MIV (3d3/2)

4096 ± 5 eV

MV (3d5/2)

3890 ± 5 eV

NI (4s)

1620 ± 2 eV

NII (4p1/2)

1438 ± 5 eV

NIII (4p3/2)

1165 ± 3 eV

NIV (4d3/2)

880 ± 1 eV

NV (4d5/2)

829 ± 1 eV

NVI (4f5/2)

461 ± 1 eV

NVII (4f7/2)

446 ± 1 eV

OI (5s)

365 ± 5 eV

OII (5p1/2)

298 ± 5 eV

OIII (5p3/2)

219 ± 5 eV

OIV (5d3/2)

116 ± 1 eV

OV (5d5/2)

106 ± 1 eV

PI (6s)

48 ± 1 eV

PII (6p1/2)

29 ± 2 eV

PIII (6p3/2)

16 ± 2 eV

Antimony

K (1s)

30491 eV

LI (2s)

4698 eV

LII (2p1/2)

4380 eV

LIII (2p3/2)

4132 eV

MI (3s)

946 eV

MII (3p1/2)

812.7 eV

MIII (3p3/2)

766.4 eV

MIV (3d3/2)

537.5 eV

MV (3d5/2)

528.2 eV

NI (4s)

153.2 eV

NII (4p1/2)

95.6 eV

NIII (4p3/2)

95.6 eV

NIV (4d3/2)

33.3 eV

NV (4d5/2)

32.1 eV

Argon

K (1s)

3205.9 eV

LI (2s)

326.3 eV

LII (2p1/2)

250.6 eV

LIII (2p3/2)

248.4 eV

MI (3s)

29.3 eV

MII (3p1/2)

15.9 eV

MIII (3p3/2)

15.7 eV

Arsenic

K (1s)

11867 eV

LI (2s)

1527.0 eV

LII (2p1/2)

1359.1 eV

LIII (2p3/2)

1323.6 eV

MI (3s)

204.7 eV

MII (3p1/2)

146.2 eV

MIII (3p3/2)

141.2 eV

MIV (3d3/2)

41.7 eV

MV (3d5/2)

41.7 eV

Astatine

K (1s)

95730 eV

LI (2s)

17493 eV

LII (2p1/2)

16785 eV

LIII (2p3/2)

14214 eV

MI (3s)

4317 eV

MII (3p1/2)

4008 eV

MIII (3p3/2)

3426 eV

MIV (3d3/2)

2909 eV

MV (3d5/2)

2787 eV

NI (4s)

1042 eV

NII (4p1/2)

886 eV

NIII (4p3/2)

740 eV

NIV (4d3/2)

533 eV

NV (4d5/2)

507 eV

NVI (4f5/2)

210 eV

NVII (4f7/2)

210 eV

OI (5s)

195 eV

OII (5p1/2)

148 eV

OIII (5p3/2)

115 eV

OIV (5d3/2)

40 eV

OV (5d5/2)

40 eV

Barium

K (1s)

37441 eV

LI (2s)

5989 eV

LII (2p1/2)

5624 eV

LIII (2p3/2)

5247 eV

MI (3s)

1293 eV

MII (3p1/2)

1137 eV

MIII (3p3/2)

1063 eV

MIV (3d3/2)

795.7 eV

MV (3d5/2)

780.5 eV

NI (4s)

253.5 eV

NII (4p1/2)

192 eV

NIII (4p3/2)

178.6 eV

NIV (4d3/2)

92.6 eV

NV (4d5/2)

89.9 eV

OI (5s)

30.3 eV

OII (5p1/2)

17.0 eV

OIII (5p3/2)

14.8 eV

References (Click the next to a value above to see complete citation information for that entry)

Bearden, J. A., and A. F. Burr. "Reevaluation of X-Ray Atomic Energy Levels." Reviews of Modern Physics, volume 39, number 1, 1967, pp. 125–142. doi:10.1103/RevModPhys.39.125

Cardona, M., and L. Ley, editors. Photoemission in Solids I: General Principles. Berlin: Springer-Verlag, 1978.

Gwyn Williams. Electron Binding Energies. http://www.jlab.org/~gwyn/ebindene.html. Accessed on April 30, 2010.

Porter, F.T., and M. S. Freedman. "Recommended Atomic Electron Binding Energies, 1s to 6p3/2, for the Heavy Elements, Z = 84 to 103." Journal of Physical and Chemical Reference Data, volume 7, number 4, 1978, pp. 1267–1284.