Erbium(III) chloride

Erbium(III) chloride
Names
IUPAC name
Erbium(III) chloride
Other names
Erbium trichloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.337
EC Number
  • 233-385-0
UNII
  • InChI=1S/3ClH.Er/h3*1H;/q;;;+3/p-3 Y
    Key: HDGGAKOVUDZYES-UHFFFAOYSA-K Y
  • InChI=1/3ClH.Er/h3*1H;/q;;;+3/p-3
    Key: HDGGAKOVUDZYES-DFZHHIFOAE
  • Cl[Er](Cl)Cl
Properties
ErCl3 (anhydrous)
ErCl3·6H2O (hexahydrate)
Molar mass 273.62 g/mol (anhydrous)
381.71 g/mol (hexahydrate)
Appearance violet hygroscopic monoclinic crystals (anhydrous)
pink hygroscopic crystals (hexahydrate)
Density 4.1 g/cm3 (anhydrous)
Melting point 776 °C (1,429 °F; 1,049 K) (anhydrous)
decomposes (hexahydrate)
Boiling point 1,500 °C (2,730 °F; 1,770 K)
soluble in water (anhydrous)
slightly soluble in ethanol (hexahydrate)
Structure
monoclinic
C2/m, No. 12
a = 6.80 Å, b = 11.79 Å, c = 6.39 Å
α = 90°, β = 110.7°, γ = 90°
479 Å3
4
Related compounds
Other anions
 Erbium(III) oxide
Other cations
 Holmium(III) chloride, Thulium(III) chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Erbium(III) chloride is a violet solid with the formula ErCl3. It is used in the preparation of erbium metal.

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