Caesium hexafluorocuprate(IV)
Caesium hexafluorocuprate is a quite rare example of the +4 oxidation state of copper with the chemical formula Cs
2CuF
6. It is a red solid at room temperature. It can be produced by mixing CsCuCl
3, caesium fluoride, and fluorine together at high pressure:[1]
- 2 CsCuCl3 + 2 CsF + 5 F2 → 2 Cs2CuF6 + 3 Cl2
References
Further reading
- Harnischmacher, Werner; Hoppe, Rudolf (1973). "Vierwertiges Kupfer: Cs2[CuF6]". Angewandte Chemie. 85 (13): 590. doi:10.1002/ange.19730851312.
- Müller, Bernd G. (1987). "Fluoride mit Kupfer, Silber, Gold und Palladium". Angewandte Chemie. 99 (11): 1120. doi:10.1002/ange.19870991105.
- Popova, T. V.; Aksenova, N. V. (2003). "Complexes of Copper in Unstable Oxidation States". Russian Journal of Coordination Chemistry. 29 (11): 743. doi:10.1023/B:RUCO.0000003432.39025.cc.
- Grannec, J (1984). "Some physical properties of d-transition metal fluorides in unusual oxidation states". Journal of Fluorine Chemistry. 25: 83. doi:10.1016/S0022-1139(00)81198-7.
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