lecture 10 - z First let's consider the sulfur orbitals F F...

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z y x First let s consider the sulfur orbitals • we need to consider their symmetry • and, we need to consider their energy The fluorines lie along the axes F F F F S F F
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The d–orbitals point along the axes point between the axes
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triply degenerate triply degenerate doubly degenerate doubly degenerate triply degenerate triply degenerate notice how the degeneracy of the sulfur s five d–orbitals is lifted upon interaction with the six F s What symmetry do these orbitals have? What symmetry do these orbitals have? Sulfur s-orbital Sulfur p-orbitals Sulfur d-orbitals ( π -type ) the central atom the central atom s atomic orbitals atomic orbitals Sulfur d-orbitals ( σ ) (originally all five d-orbitals were degenerate)
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5 Upon interaction with the F s, the d–orbitals will no longer be equivalent, but divide up into one set of three (t 2g ), and another set of two (e g ) d yz d xy 3d xz d z2 d x2–y2 e g t 2g Sulfur AO s (atomic orbitals) e g t 2g
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or more orbitals, then the symmetry related orbitals are degenerate (i.e., they are energetically equivalent)
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lecture 10 - z First let's consider the sulfur orbitals F F...

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