Thallium trifluoride is the

inorganic compound An inorganic compound is typically a chemical compound that lacks carbon–hydrogen bonds⁠that is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as ''inorganic chemistry''. Inorgan ...

with the formula TlF₃. It is a white solid. Aside from being one of two thallium fluorides, the compound is only of theoretical interest. It adopts the same structure as

bismuth trifluoride Bismuth(III) fluoride or bismuth trifluoride is a chemical compound of bismuth and fluorine. The chemical formula is BiF3. It is a grey-white powder melting at 649 °C. It occurs in nature as the rare mineral gananite. Synthesis Bismuth flu ...

, featuring eight-coordinate Tl(III) centers. Some evidence exists for a second polymorph.

References

{{fluorides Fluorides Metal halides Thallium(III) compounds