# Why is the melting point of TiCl4 lower than TiCl3

I was wondering why the melting point of $\ce{TiCl4}$ was below that of $\ce{TiCl3}$

The melting point of the former is $\ce{-25 Celsius}$ whereas the latter is $\ce{425 Celsius}$ .

Thanks!

-The high melting point of $\ce{TiCl3}$ is mainly due to the short bond length $\ce{Ti-Ti}$ , which infer a strong metallic character to these bonds between titanium ions in $\ce{TiCl3}$.
-While in $\ce{TiCl4}$, the main intermolecular forces are of van der Waals type.