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Chlorine tetroxide
Chemical compound From Wikipedia, the free encyclopedia
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Chlorine tetroxide is an unstable chlorine oxide with the chemical formula ClO4.
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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.[2]
- I2 + 2 AgClO4 → 2 AgI + (ClO4)2
However, later researchers claimed that the product was iodine perchlorate.[3] So far, however, there is no certain evidence for the existence of iodine perchlorate either.
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Properties
The electron affinity energy of chlorine tetroxide can be figured out using the Born–Haber cycle and the lattice energy data of perchlorates. It is about 561 kJ/mol.[4]
The structure of chlorine tetroxide is uncertain; the molecular point group may be Cs, C2v, or Td.[5]
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.[5]
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References
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