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Potassium hexafluorocuprate(III) is an inorganic compound with the
Potassium hexafluorocuprate(III) is an inorganic compound with the chemical formula
In chemistry, a chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes also other symbol ...
K3CuF6. It is a green paramagnetic
Paramagnetism is a form of magnetism whereby some materials are weakly attracted by an externally applied magnetic field, and form internal, induced magnetic fields in the direction of the applied magnetic field. In contrast with this behavior, ...
solid, a relatively rare example of a copper(III) compound.
Synthesis and structure
The compound is prepared by oxidizing the mixture of potassium chloride and cuprous chloride with fluorine: :3 KCl + CuCl + 3 F2 → K3CuF6 + 2 Cl2 A variety of analogues are known.R. Hoppe, G. Wingefeld "Zur Kenntnis der Hexafluorocuprate(III)" Zeitschrift für anorganische und allgemeine Chemie 1984, Vol. 519, pages 195–203. The compound reacts with water easily, producing oxygen and copper(II) products.See also
*Cuprate(III)
Cuprate loosely refers to a material that can be viewed as containing anionic copper complexes. Examples include tetrachloridocuprate ( uCl4sup>2−), the superconductor YBa2Cu3O7, and the organocuprates (e.g., dimethylcuprate u(CH3)2sup>∠...
* caesium hexafluorocuprate(IV)
References