Curium(III) iodide is the chemical compound with the formula . Since all isotopes of curium are only artificially produced, the compound has no natural occurrence.
Synthesis
Elemental curium and iodine can be reacted to synthesize curium(III) iodide.
::
Also by the reaction of
curium(III) chloride with
ammonium iodide:
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Physical properties
Curium(III) iodide is a colorless ionic compound consisting of Cm
3+ and I
− ions. It forms white crystals the
hexagonal crystal system
In crystallography, the hexagonal crystal family is one of the six crystal family, crystal families, which includes two crystal systems (hexagonal and trigonal) and two lattice systems (hexagonal and rhombohedral). While commonly confused, the tr ...
in the space group ''R
3'' (space group no. 148) with the lattice parameters a = 744 pm and c = 2040 pm with six units per unit cell. Its crystal structure is isotypic with that of
bismuth(III) iodide
Bismuth(III) iodide is the inorganic compound with the formula Bi I3. This gray-black salt is the product of the reaction of bismuth and iodine, which once was of interest in qualitative inorganic analysis.
Bismuth(III) iodide adopts a distin ...
.
References
{{Actinide halides
Curium compounds
Nuclear materials
Iodides
Actinide halides