Americium(III) iodide


Americium iodide or americium triiodide is the chemical compound, a salt composed of americium and iodine with the formula AmI3.

Preparation

Americium iodide can be prepared by reacting americium(III) chloride with ammonium iodide:

Properties

Americium iodide takes the form of yellow crystals. The crystal form is orthorhombic. It melts around 960 °C. The density is 6.9 g/cm3. The compound consists of Am3+ and I− ions. It crystallizes in the trigonal [crystal system] in the space group R with the lattice parameters a = 742 pm and c = 2055 pm and six formula units per unit cell. Its crystal structure is isotypic with bismuth(III) iodide.