erbium(III) iodide
{{expert needed|chemistry|reason=Some info contradicts articles from other languages|date=September 2023}}
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| IUPACName = Erbium(III) Iodide
| OtherNames = Erbium Triiodide
|Section1={{Chembox Identifiers
| CASNo = 13813-42-8
| PubChem = 83749
| ChemSpiderID = 75571
| SMILES = I[Er](I)I
| InChI = 1/Er.3HI/h;3*1H/q+3;;;/p-3
| InChIKey = OKVQKDALNLHZLB-DFZHHIFOAK
| StdInChI = 1S/Er.3HI/h;3*1H/q+3;;;/p-3
| StdInChIKey = OKVQKDALNLHZLB-UHFFFAOYSA-K}}
|Section2={{Chembox Properties
| Formula = ErI3
| MolarMass = 547.947 g/mol
| Appearance = Powder
| Density = 5.5 g/cm3
| MeltingPtC = 1020
| BoilingPtC = 1280
| Solubility = }}
|Section3={{Chembox Hazards
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Erbium(III) iodide is an iodide of lanthanide metal erbium.{{cite book|last=Perry|first=Dale L|title=Handbook of Inorganic Compounds|publisher=Taylor & Francis|date=2011|edition=2|pages=163|isbn=9781439814628|url=https://books.google.com/books?id=SFD30BvPBhoC&q=%22Erbium+Iodide%22&pg=PA493|access-date=15 December 2013}} The compound is insoluble in water and is white to slightly pink in appearance.{{Cite web|last=Elements|first=American|title=Erbium Iodide|url=https://www.americanelements.com/erbium-iodide-13813-42-8|access-date=2020-11-16|website=American Elements|language=en}}
Preparation
Erbium(III) iodide can be produced by the reaction of elemental iodine and finely divided erbium by the following equation:WebElements: [https://www.webelements.com/erbium/chemistry.html Chemical reactions of Erbium]
:{{chem2 | 2 Er + 3 I2 -> 2 ErI3 }}
Properties
Erbium(III) iodide has a trigonal crystal structure with space group R{{overline|3}} (space group no. 148).{{Cite book |last=Ans |first=Jan d' |title=Elemente, anorganische Verbindungen und Materialien |last2=Ans |first2=Jan d' |date=1998 |publisher=Verlag nicht ermittelbar |isbn=978-3-540-60035-0 |edition=4., neubearb. u. rev. Aufl |series=Taschenbuch für Chemiker und Physiker / D'Ans |location=Ort nicht ermittelbar}}
References
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{{Erbium compounds}}
{{Iodides}}
{{Lanthanide halides}}
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