TetrachlorotitanateIV

Tetrachlorotitanate(IV) refers to the anionic complex ion with the chemical formula [TiCl6]^2-. It is a species derived from titanium in its +4 oxidation state. This complex ion is typically found in salts, such as potassium hexachlorotitanate(IV), K2[TiCl6]. These salts are often crystalline solids and can be soluble in polar solvents.

The preparation of tetrachlorotitanate(IV) salts can be achieved by reacting titanium tetrachloride (TiCl4) with alkali metal chlorides in the presence of a suitable solvent. For instance, heating TiCl4 with potassium chloride (KCl) in a melt or a high-boiling point solvent can lead to the formation of K2[TiCl6]. The titanium atom in the hexachlorotitanate(IV) ion is octahedrally coordinated by six chloride ligands.

Tetrachlorotitanate(IV) salts are utilized in various chemical applications. They can serve as precursors for the synthesis of other titanium compounds or as catalysts in certain organic reactions. The stability of the [TiCl6]^2- ion depends on the counterion and the surrounding chemical environment. In aqueous solutions, the hexachlorotitanate(IV) ion can undergo hydrolysis.