Chlorine tetroxide
| Names | |
|---|---|
| IUPAC name
Tetraoxidochlorine
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| Identifiers | |
3D model (
JSmol ) |
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| ChEBI | |
| ChemSpider | |
| 239881 | |
PubChem CID
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| Properties | |
| ClO4 | |
| Molar mass | 99.45 g mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chlorine tetroxide is an unstable chlorine oxide with the chemical formula ClO4.
History
Gomberg's mistaken 1923 production
In 1923, chemist Moses Gomberg proposed a production method of chlorine tetroxide. He claimed that treating iodine and silver perchlorate in anhydrous diethyl ether produced it.[1]
- I2 + 2 AgClO4 → 2 AgI + (ClO4)2
However, later researchers claimed that the product was iodine perchlorate.[2] So far, however, there is no certain evidence for the existence of iodine perchlorate either.
Eachus' 1968 production
In 1968, Eachus synthesized it by exposing potassium chlorate to gamma rays at 77 K. It is a reaction intermediate of the decomposition of dichlorine heptoxide.[citation needed]
Properties
The
The structure of chlorine tetroxide is uncertain; the molecular point group may be Cs, C2v, or Td.[4]
In a solid oxygen matrix ClO4 reacts to form ClO6Cl, which has three double bonded oxygen atoms, and a chain of three oxygen atoms -O-O-O• attached to the chlorine.[4]
References
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