Iridium(V) fluoride, IrF
5, is a chemical compound of
iridium
Iridium is a chemical element; it has the symbol Ir and atomic number 77. This very hard, brittle, silvery-white transition metal of the platinum group, is considered the second-densest naturally occurring metal (after osmium) with a density ...
and
fluorine
Fluorine is a chemical element; it has Chemical symbol, symbol F and atomic number 9. It is the lightest halogen and exists at Standard temperature and pressure, standard conditions as pale yellow Diatomic molecule, diatomic gas. Fluorine is extre ...
. A highly reactive yellow low melting solid, it has a tetrameric structure, Ir
4F
20, which contains octahedrally coordinated iridium atoms.
[Egon Wiberg, Arnold Frederick Holleman (2001) ''Inorganic Chemistry'', Elsevier ] This structure is shared with
RuF5 and
OsF5. It can be prepared by the controlled decomposition of IrF
6 or the reduction of IrF
6 with
silicon
Silicon is a chemical element; it has symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic lustre, and is a tetravalent metalloid (sometimes considered a non-metal) and semiconductor. It is a membe ...
powder or
H2 in anhydrous
HF.
:
:
See also
*
Iridium(VI) fluoride
Iridium hexafluoride, also iridium(VI) fluoride, (IrF6) is a compound of iridium and fluorine and one of the seventeen known binary hexafluorides. It is one of only a few compounds with iridium in the oxidation state +6.
Synthesis
Iridium hexaf ...
*
Iridium(IV) fluoride
Iridium(IV) fluoride is a chemical compound of iridium and fluorine
Fluorine is a chemical element; it has Chemical symbol, symbol F and atomic number 9. It is the lightest halogen and exists at Standard temperature and pressure, standard conditi ...
References
{{Fluorides
Iridium compounds
Fluorides
Platinum group halides