Chromium(IV) chloride (CrCl₄) is an unstable chromium compound. It is generated by combining

chromium(III) chloride Chromium(III) chloride (also called chromic chloride) describes any of several chemical compounds with the formula CrCl3, where can be 0, 5, and 6. The anhydrous compound with the formula CrCl3 is a violet solid. The most common form of the tric ...

and

chlorine Chlorine is a chemical element with the symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine i ...

gas at elevated temperatures, but reverts to those substances at room temperature.

References

Chromium–halogen compounds Chlorides Metal halides Chromium(IV) compounds {{inorganic-compound-stub