Technetium pentafluoride is a binary inorganic chemical compound of technetium metal and fluorine with the chemical formula .
Synthesis The compound can be synthesised by heating of technetium powder in a jet of fluorine diluted with nitrogen:
Another way to prepare it is the effect of iodine on technetium hexafluoride solution in iodine pentafluoride:
Physical properties Technetium pentafluoride forms yellow crystals of the orthorhombic crystal system. It reacts with water, and is volatile.
Chemical properties The compound is hydrolyzed by water, disproportionating to more stable technetium compounds:
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