Erbium(III) iodide is an
iodide
An iodide ion is Iā. Compounds with iodine in formal oxidation state ā1 are called iodides. In everyday life, iodide is most commonly encountered as a component of iodized salt, which many governments mandate. Worldwide, iodine deficiency ...
of
lanthanide
The lanthanide () or lanthanoid () series of chemical elements comprises at least the 14 metallic chemical elements with atomic numbers 57ā70, from lanthanum through ytterbium. In the periodic table, they fill the 4f orbitals. Lutetium (el ...
metal
erbium
Erbium is a chemical element; it has Symbol (chemistry), symbol Er and atomic number 68. A silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements. It is a lanthanide, a rare- ...
.
The compound is insoluble in water and is white to slightly pink in appearance.
Preparation
Erbium(III) iodide can be produced by the reaction of elemental iodine and finely divided erbium by the following equation:
[WebElements]
Chemical reactions of Erbium
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:
Properties
Erbium(III) iodide has a trigonal crystal structure with space group ''R'' (space group no. 148).
References
Erbium compounds
Iodides
Lanthanide halides
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