Gold(III) fluoride

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Gold(III) fluoride, AuF3, is an orange solid that sublimes at 300 °C[1]. It is a powerful fluorinating agent.

[edit] Preparation

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

[edit] Structure

The crystal structure of AuF3 consists of spirals of square-planar AuF4 units[2].
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

[edit] References

  1. ^ Greenwood, N. N.; Earnshaw, A. (1997). Chemistry of the Elements, 2nd Edition, Oxford:Butterworth-Heinemann. ISBN 0-7506-3365-4. , p. 1184.
  2. ^ F. W. B. Einstein, P. R. Rao, James Trotter and 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. 
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