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A record-high formal oxidation state was recently identified of an iridium-oxygen ion, and please sketch the...

A record-high formal oxidation state was recently identified of an iridium-oxygen ion, and please sketch the structure of the ion and identify the oxidation state of Ir

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Answer #1

Hi,

IrO4+, the first example of a molecule with an element in an oxidation state of +9 (Nature 2014, DOI: 10.1038/nature13795)

The proposed structure is a tetrahedral and bond angle is 170.8 o

Energy, kJ/mol 200 190 150 100 81 50- 40 51 0 0 Ir +9 Ir +7 Ir +6 Structure of Ir04+ Ref: From the research paper published.

Thanks

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