Gold(III) fluoride

Gold(III) fluoride[1]
Names
IUPAC name
Gold(III) fluoride
Other names
Gold trifluoride
Auric fluoride
Identifiers
14720-21-9 YesY
3D model (Jmol) Interactive image
ChEBI CHEBI:30077 YesY
ChemSpider 10790539 YesY
PubChem 5460532
Properties
AuF3
Molar mass 253.962 g/mol
Appearance orange-yellow hexagonal crystals
Density 6.75 g/cm3
Melting point sublimes above 300°C
Structure
Hexagonal, hP24
P6122, No. 178
Thermochemistry
-363.3 kJ/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YesYN ?)
Infobox references

Gold(III) fluoride, AuF3, is an orange solid that sublimes at 300 °C.[2] It is a powerful fluorinating agent.

Preparation

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

Structure

The crystal structure of AuF3 consists of spirals of square-planar AuF4 units.[3]

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, FL: CRC Press. pp. 4–59. ISBN 0-8493-0594-2.
  2. ↑ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 0-08-037941-9., p. 1184.
  3. ↑ F. W. B. Einstein; P. R. Rao; James Trotter; Neil Bartlett (1967). "The crystal structure of gold trifluoride". Journal of the Chemical Society A: Inorganic, Physical, Theoretical. 4: 478–482. doi:10.1039/J19670000478.


This article is issued from Wikipedia - version of the 6/23/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.