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Question
What is crystal field stabilization energy (CFSE)?
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Solution
The crystal field stabilisation energy is defined as the energy difference of electronic configurations in the ligand field (ELF) and the isotropic field (Eiso).
CFSE (ΔE0) = (ELF) – (Eiso)
= (nt2g (−0.4) + neg (0.6) Δ0 – npP) – (n’pP)
Here ntg is the number of electrons in t-orbitals
neg is the number of electrons in e-orbitals
np is the number of electrons in the ligand field
n’p is the number of electrons in the isotropic field
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