Hydronium perchlorate

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Hydronium perchlorate
cation, [H3O]+
  Oxygen, O
  Hydrogen
, H
anion, ClO−4
  Chlorine, Cl
  Oxygen
, O
Names
Other names
  • Oxonium perchlorate
  • Perchloric acid monohydrate
Identifiers
3D model (
JSmol
)
ChemSpider
  • InChI=1S/ClHO4.H2O/c2-1(3,4)5;/h(H,2,3,4,5);1H2
    Key: AIUIJBDEQKTMHT-UHFFFAOYSA-N
  • [OH3+].[O-][Cl](=O)(=O)=O
Properties
[H3O]ClO4
Molar mass 118.47 g·mol−1
Appearance Colorless solid
Density 1.96 g/cm3
Melting point 45 °C (113 °F; 318 K)
Structure[1]
Orthorhombic
Pnma
a = 9.2343 Å, b = 5.8178 Å, c = 7.4606 Å
Related compounds
Other anions
Hydronium chloride
Other cations
 Perchloric acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Hydronium perchlorate is an

anions
ClO−4.

Production

Hydronium perchlorate is produced by the reaction of anhydrous

molar ratio:[2]

HClO4 + H2O → [H3O]+ClO−4

A more analytically reliable method was reported using the macrocyclic Schiff base of sodium 2,6-diformyl-4-methylphenolate and 2,6-diformyl-4-methylphenol as a chelating agent to sequester Cu(II): transmetallation of the macrocycle with copper(II) perchlorate yielded colorless crystals of hydronium perchlorate.[1]

It can also be produced by the reaction of anhydrous nitric acid and perchloric acid.[3][clarification needed]

References

  1. ^
    PMID 12944636
    .
  2. doi:10.1107/S0365110X62000055
    .
  3. ISBN 9780521233620
    .
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