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

Preparation

Americium(III) iodide can be prepared by reacting americium(III) chloride with ammonium iodide:^[2]

AmCl₃ + 3 NH₄I → AmI₃ + 3NH₄Cl

Properties

Americium(III) iodide takes the form of yellow crystals. The crystal form is orthorhombic. It melts around 960 °C. The density is 6.9 g/cm³.^[1] The compound consists of Am³⁺ and I⁻ ions. It crystallizes in the trigonal crystal system in the space group R3 (space group no. 148) 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.^[2][3]

References

This metal halide related article is a stub. You can help Wikipedia by adding missing information.

• v
• t
• e