Erbium(III) iodide

Erbium(III) iodide

Names
IUPAC name Erbium(III) Iodide
Other names Erbium Triiodide
Identifiers
CAS Number	13813-42-8
3D model (JSmol)	Interactive image
ChemSpider	75571
ECHA InfoCard	100.034.051
PubChem CID	83749
CompTox Dashboard (EPA)	DTXSID0065646
InChI InChI=1S/Er.3HI/h;3*1H/q+3;;;/p-3 Key: OKVQKDALNLHZLB-UHFFFAOYSA-K InChI=1/Er.3HI/h;3*1H/q+3;;;/p-3 Key: OKVQKDALNLHZLB-DFZHHIFOAK
SMILES I[Er](I)I
Properties
Chemical formula	ErI3
Molar mass	547.947 g/mol
Appearance	Powder
Density	5.5 g/cm3
Melting point	1,020 °C (1,870 °F; 1,290 K)
Boiling point	1,280 °C (2,340 °F; 1,550 K)
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H360
Precautionary statements	P203, P280, P318, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Erbium(III) iodide is an iodide of lanthanide metal erbium. ^[1] The compound is insoluble in water and is white to slightly pink in appearance. ^[2]

Preparation

Erbium(III) iodide can be produced by the reaction of elemental iodine and finely divided erbium by the following equation: ^[3]

2 Er + 3 I₂ → 2 ErI₃

Properties

Erbium(III) iodide has a trigonal crystal structure with space group R3 (space group no. 148). ^[4]

References

1. Perry, Dale L (2011). Handbook of Inorganic Compounds (2 ed.). Taylor & Francis. p. 163. ISBN   9781439814628 . Retrieved 15 December 2013.
2. Elements, American. "Erbium Iodide". American Elements. Retrieved 2020-11-16.
3. WebElements: Chemical reactions of Erbium
4. Ans, Jan d'; Ans, Jan d' (1998). Elemente, anorganische Verbindungen und Materialien. Taschenbuch für Chemiker und Physiker / D'Ans (4., neubearb. u. rev. Aufl ed.). Ort nicht ermittelbar: Verlag nicht ermittelbar. ISBN   978-3-540-60035-0.