The Lanthanides
Ce to Lu
Electron Binding Energies

Binding energies quoted in electron-volts (eV)


Electron
Identity
Cerium
Ce
Praseodymium
Pr
Neodymium
Nd
Promethium
Pm
Samarium
Sm
Europium
Eu
Gadolinium
Gd
1s40443419914356945184468344851950239
2s6548.86834.871267427.97736.880528375.6
2p5870.361236379.16643.86914.77190.37472
3s1435.41510.31576.91650.81724.51801.71881.9
3p1214.21274.71334.61396.71461.21526.21593.2
3d891.1940.02988.6910401091.71142.41199.1
4s290.05305.25317.85334.47347.35361.85377.4
4p212.95224.25233245.18256.57266.93278.47
4d110.6115.01119.89110.6130.25133.45141.7
4f6666666
5s37.5538.4539.53939.9536.940.3
5p20.1521.90821.79221.85621.77522.58322.483
5d6
6s5.53875.4645.5255.555.64375.67046.15

Electron
Identity
Terbium
Tb
Dysprosium
Dy
Holmium
Ho
Erbium
Er
Thulium
Tm
Ytterbium
Yb
Lutetium
Lu
1s5199653789556185748659390613326314
2s87089045.89394.29751.3101161048610870.4
2p7759.98053.68353.1866089719288.59612.27
3s1966.72047.22129.92214.42307.52399.12493.8
3p1663.617321803.21877.41953.32026.12106.16
3d1255.31310.91368.41427.81487.61548.31611.37
4s397.45416.4435.1450.3471.1486.6508.85
4p294.78307.6321.03336.12351.85361.28378.53
4d148.2155.05162.31171.27179.71189.09201.06
4f666677.428612.4286
5s43.555.9551.656.453.8554.358.15
5p25.17525.90824.6527.89230.99226.4529.9167
5d6.6
6s5.86395.93896.02166.10786.18436.25425.4258

Author: Dan Thomas Email: <thomas@chembio.uoguelph.ca>
Last Updated: Sat, Feb 8, 1997