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Copper(I) fluoride

Copper(I) bromide Copper(I) iodide Gold(I) fluoride

Copper(I) fluoride or cuprous fluoride is an inorganic compound with the chemical formula CuF. Its existence is uncertain. It was reported in 1933 to have a sphalerite-type crystal structure. Modern textbooks state that CuF is not known, since fluorine is so electronegative that it will always oxidise copper to its +2 oxidation state. Complexes of CuF such as [(Ph3P)3CuF] are, however, known and well characterised.

Synthesis and reactivity

Unlike other copper(I) halides like copper(I) chloride, copper(I) fluoride tends to disproportionate into copper(II) fluoride and copper in a one-to-one ratio at ambient conditions, unless it is stabilised through complexation as in the example of [Cu(N2)F].

:2CuF → Cu + CuF2

References

References

  1. "Copper Monofluoride - PubChem Public Chemical Database". National Center for Biotechnology Information.
  2. (1933). "Kristallstrukturen von Fluoriden. II. HgF, HgF2, CuF und CuF2". [[Zeitschrift für anorganische und allgemeine Chemie.
  3. {{Housecroft3rd
  4. {{Greenwood&Earnshaw2nd
  5. (1981). "Coordination Stabilised Copper(I) Fluoride. Crystal and Molecular Structure of Fluorotris(triphenylphosphine)copper(I)·Ethanol (1/2), Cu(PPh3)3F·2EtOH". [[Inorganica Chimica Acta.
  6. Francis, Simon G.. (2006-09-25). "N2-Cu-F: A Complex of Dinitrogen and Cuprous Fluoride Characterized by Rotational Spectroscopy". Angewandte Chemie.
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fluorides metal-halides copper(i)-compounds zincblende-crystal-structure hypothetical_chemical_compounds
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