Tin(II) iodide


Tin iodide, also known as stannous iodide, is the inorganic compound with the formula SnI2. It is a red-orange solid. It reacts with iodine to give tin(IV) iodide.
Tin iodide can be synthesised by heating metallic tin with a mixture iodine in 2 M hydrochloric acid.

Structure

[image:SnI2.png|Structure of solid SnI2. Color code: violet = I, gray = Sn.|left|120px]
It crystallizes in a unique motif. According to X-ray crystallography, some Sn centers are bound to six iodide ligands others Sn sites are distorted.