Titanium bis(acetylacetonate)dichloride is the

coordination complex A coordination complex is a chemical compound consisting of a central atom or ion, which is usually metallic and is called the ''coordination centre'', and a surrounding array of chemical bond, bound molecules or ions, that are in turn known as ' ...

with the formula Ti(C₅H₇O₂)₂Cl₂. It is a common

acetylacetonate complex Metal acetylacetonates are coordination complexes derived from the acetylacetonate anion () and metal ions, usually transition metals. The bidentate ligand acetylacetonate is often abbreviated acac. Typically both oxygen atoms bind to the metal to ...

of titanium. It is a red-orange solid that hydrolyzes slowly in air. The complex is prepared by treatment of

titanium tetrachloride Titanium tetrachloride is the inorganic compound with the formula . It is an important intermediate in the production of titanium metal and the pigment titanium dioxide. is a volatile liquid. Upon contact with humid air, it forms thick clouds o ...

with excess

acetylacetone Acetylacetone is an organic compound with the chemical formula . It is classified as a 1,3-diketone. It exists in equilibrium with a tautomer . The mixture is a colorless liquid. These tautomers interconvert so rapidly under most conditions that ...

: :TiCl₄ + 2 Hacac → Ti(acac)₂Cl₂ + 2 HCl It is an octahedral complex that crystallizes as a

racemic mixture In chemistry, a racemic mixture or racemate () is a mixture that has equal amounts (50:50) of left- and right-handed enantiomers of a chiral molecule or salt. Racemic mixtures are rare in nature, but many compounds are produced industrially as r ...

of the chiral ''cis'' isomers. It is fluxional in solution, as the result of rapid ''cis–trans'' equilibrium.

References

{{Acetylacetonate complexes Titanium compounds Acetylacetonate complexes