Synthesis and Structure
Being a relatively electropositive metal, indium reacts quickly with chlorine to give the trichloride. Indium trichloride is very soluble and deliquescent. A synthesis has been reported using an electrochemical cell in a mixed methanol-benzene solution.
Like AlCl3 and TlCl3, InCl3 crystallizes as a layered structure consisting of close-packed chloride arrangement containing layers of In(III) centers. The motif is akin to that seen for YCl3. In contrast, GaCl3 and InI3 crystallize as dimers containing Ga2Cl6 and In2I6 subunits, respectively.
Read more about this topic: Indium(III) Chloride
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