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Energy of a p3 state

  1. May 30, 2005 #1

    I've been asked to determine which states are possible with a three p-electron configuration, and to expres their energies with the Slater integrals.

    A three p electron state with the same principal quantum number n have the following possibilities :

    L=3 excluded by the Pauli principle
    L = 2, S=1/2 => D doublet
    L = 1, S= 1/2 => P doublet
    L = 0 S = 3/2 => S quartet

    Now, for some reason L = 0, S = 1/2 => S doublet isn't listed as a possibility, why is this?

    Now I'm to expres the energies of these states with slater integrals, but I'm totally at a loss to how I should be doing does. Can anyone point me in the right direction?
  2. jcsd
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