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Crystal Field Theory, in a tetrahedral complex, why would $d_{z^2}$ and $d_{x^2-y^2}$ be degenerated ? In terms of counting of repulsion

Imagine there are two tetrahedra. One is the actual one, and the other is inverted through the center to complete a cube. The $d_{x^2-y^2}$ and $d_{z^2}$ orbitals go through the face centers and tend ...
Oscar Lanzi's user avatar
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Why the colour of complexes is the complement of light absorbed?

Apparently, you are mixing two independent phenomena ; 1) Absorption of light by any colored substance, 2) Emission of light by luminous substances. Your first paragraphe describes how light is ...
Maurice's user avatar
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1 vote

Why the colour of complexes is the complement of light absorbed?

Your question is not specific to chemical d-complexes. Energy due photonic excitation is in general usually dissipated by non radiative means (aside of thermal radiation). The topic is covered by ...
Poutnik's user avatar
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