Copper(II) nitrosohexafluoroantimonate is an inorganic compound with the chemical formula , composed of the nitrosonium and copper(II) cations [NO]+ and [Cu]2+, and the hexafluoroantimonate anion [SbF6]-.
Structure The structure is orthorhombic (space group Pnma), isotypic to that of ANi(AsF6)3 (A=H3O+, O2+, NO+, NH4+, K+, Rb+ and Cs+). It consists of rings of CuF6 octahedra sharing apexes with SbF6 octahedra connected in a three-dimensional Cu(SbF6)3 network. Cavities are formed where the NO+ cations are located.
Preparation Copper(II) nitrosohexafluoroantimonate is formed by reacting nitrosonium hexafluoroantimonate and copper(II) hexafluoroantimonate in anhydrous hydrofluoric acid.
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