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What is Understanding the Nephelauxetic Effect about?
The document discusses the nephelauxetic effect, which is observed in the absorption spectra of transition metal complexes as a reduction in the RACAH B parameter compared to the free ion value. This effect is caused by covalent bonding between the metal ion and ligands, with more covalent ligands like iodide causing a larger reduction in B than ionic ligands like fluoride. The document uses the example of the chromium(III) aquo ion spectrum to determine the Δ and B values and illustrate how the nephelauxet
- Author
- Saurav Paul
- Language
- EN