Names | |
---|---|
Other names
Cesium hexafluorocuprate; Dicesium hexafluorocuprate
| |
Identifiers | |
3D model (
JSmol)
|
|
| |
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Properties | |
Cs2CuF6 | |
Molar mass | 443.35 g/mol |
Appearance | Red orange solid [1] |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
|
Caesium hexafluorocuprate is the
inorganic compound with the chemical formula Cs
2CuF
6. It is a red solid that degrades upon contact with water. It was first prepared be heating CsCuCl
3 and
caesium fluoride at 410°C under 350 atmospheres of fluorine:
[2]
The anion [CuF62- is a rare example of a copper(IV) complex. In terms of its electronic structure, the anion has a low-spin d7 configuration. It is thus susceptible to Jahn-Teller distortion. [3]