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jayant raghuwanshi Grade: 12
        

DESCRIBE THE JOHN TELLER EFFECT AND HYBRIDISATION OF CO[NH3]6

7 years ago

Answers : (1)

SAGAR SINGH - IIT DELHI
879 Points
										

Dear jayant,


In an octahedral crystal field, the t2g orbitals occur at lower energy than the eg orbitals. This is a reflection of the orientation of the orbitals since the t2g are directed between bond axes while the eg point along bond axes. The shielding effect this has on the electrons is used to explain why the Jahn-Teller effect is generally only important for odd number occupancy of the eg level.
The effect of Jahn-Teller distortions is best documented for Cu(II) complexes (with 3 electrons in the eg level) where the result is that most complexes are found to have elongation along the z-axis.


 









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6 years ago
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