Gold(III) fluoride


Gold fluoride,, is an orange solid that sublimes at 300 °C. 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.

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