Gold(III) fluoride

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For other uses, see Gold fluoride.
Gold(III) fluoride[1]
Names
IUPAC name
Gold(III) fluoride
Other names
Gold trifluoride
Auric fluoride
Identifiers
3D model (
JSmol
)
ChEBI
ChemSpider
  • InChI=1S/Au.3FH/h;3*1H/q+3;;;/p-3 checkY
    Key: NIXONLGLPJQPCW-UHFFFAOYSA-K checkY
  • InChI=1/Au.3FH/h;3*1H/q+3;;;/p-3
    Key: NIXONLGLPJQPCW-DFZHHIFOAD
  • [Au+3].[F-].[F-].[F-]
Properties
AuF3
Molar mass 253.961779 g·mol−1
Appearance orange-yellow
hexagonal
crystals
Density 6.75 g/cm3
Melting point sublimes above 300°C
Reacts[2][3]
+74·10−6 cm3/mol
Structure
Hexagonal, hP24
P6122, No. 178
Thermochemistry
Std enthalpy of
formation
(ΔfH⦵298)
 -363.3 kJ/mol
Related compounds
Other anions
 Gold(III) chloride
Gold(III) bromide
Other cations
 Silver fluoride
Copper(II) fluoride
Mercury(II) fluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

Gold(III) fluoride,

sublimes at 300 °C.[4] It is a powerful fluorinating agent. It is very sensitive to moisture, yielding gold(III) hydroxide and hydrofluoric acid
.

Preparation

AuF3 can be prepared by reacting AuCl3 with F2 or BrF3.[3]

Structure

The

square-planar AuF4 units.[5]

AuF3 unit cell neighbouring (AuF3)n helices distorted octahedral coordination of gold by six fluorines top-down view of an (AuF3)n helix side view of an (AuF3)n helix

References

  1. ^ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, Florida: CRC Press. pp. 4–59.
    ISBN 0-8493-0594-2
    .
  2. doi:10.1021/ja02013a004
    .
  3. ^
    doi:10.1002/cber.19951280918
    .
  4. ISBN 978-0-08-037941-8
    ., p. 1184.
  5. doi:10.1039/J19670000478
    .

External links


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