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Introduction to Jahn-Teller Distortion - Coordination Chemistry Video Lecture | Inorganic Chemistry

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FAQs on Introduction to Jahn-Teller Distortion - Coordination Chemistry Video Lecture - Inorganic Chemistry

1. What is Jahn-Teller distortion?
Ans. Jahn-Teller distortion refers to the geometric distortion of a molecule or complex ion that arises due to the presence of degenerate electronic states. It occurs when a molecule or complex ion with a degenerate ground state undergoes a distortion to remove the degeneracy and lower the overall energy of the system.
2. How does Jahn-Teller distortion affect the coordination geometry of a complex?
Ans. Jahn-Teller distortion can affect the coordination geometry of a complex by causing a distortion in the bond lengths and bond angles within the complex. This distortion can result in a change in the overall symmetry of the complex and lead to the formation of non-linear or non-planar coordination geometries.
3. What causes Jahn-Teller distortion in coordination complexes?
Ans. Jahn-Teller distortion is caused by the presence of degenerate electronic states in a coordination complex. When a complex has degenerate orbitals, it can undergo a distortion to remove the degeneracy and lower its energy. This distortion is driven by the repulsion between electrons in the degenerate orbitals.
4. How does Jahn-Teller distortion affect the spectroscopic properties of a complex?
Ans. Jahn-Teller distortion can have a significant impact on the spectroscopic properties of a complex. The distortion can lead to changes in the energy levels and electronic transitions within the complex, resulting in shifts in absorption and emission spectra. These changes can provide valuable information about the electronic structure and geometry of the complex.
5. Are all coordination complexes prone to Jahn-Teller distortion?
Ans. No, not all coordination complexes are prone to Jahn-Teller distortion. The occurrence of Jahn-Teller distortion depends on the presence of degenerate electronic states in the complex. If a complex does not have degenerate orbitals, it will not undergo Jahn-Teller distortion. However, if a complex has degenerate orbitals, it is likely to undergo Jahn-Teller distortion to lower its energy.
48 videos|92 docs|41 tests

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