Back أكسيد الإربيوم الثلاثي Arabic اوکسید اربیوم AZB Oxid erbitý Czech Erbium(III)-oxid German Óxido de erbio(III) Spanish اکسید اربیم Persian Erbium(III)oksidi Finnish Oxyde d'erbium(III) French Erbium(III)-oxid Hungarian Erbium(III) oksida ID

Erbium(III) oxide

Erbium oxide[1]
Erbium oxide crystal structure
Names
Other names
Erbium oxide, erbia
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.847 Edit this at Wikidata
EC Number
  • 235-045-7
  • InChI=1S/2Er.3O checkY
    Key: VQCBHWLJZDBHOS-UHFFFAOYSA-N checkY
  • InChI=1/2Er.3O/rEr2O3/c3-1-5-2-4
    Key: VQCBHWLJZDBHOS-YMHUIQTEAQ
  • O=[Er]O[Er]=O
  • ionic: [O-2].[Er+3].[O-2].[Er+3].[O-2]
Properties
Er2O3
Molar mass 382.56 g/mol
Appearance pink crystals
Density 8.64 g/cm3
Melting point 2,344 °C (4,251 °F; 2,617 K)
Boiling point 3,290 °C (5,950 °F; 3,560 K)
insoluble in water
+73,920·10−6 cm3/mol
Structure
Cubic, cI80
Ia-3, No. 206
Thermochemistry
108.5 J·mol−1·K−1
155.6 J·mol−1·K−1
−1897.9 kJ·mol−1
Related compounds
Other anions
 Erbium(III) chloride
Other cations
 Holmium(III) oxide, Thulium(III) oxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Erbium(III) oxide is the inorganic compound with the formula Er2O3. It is a pink paramagnetic solid. It finds uses in various optical materials.[2]

  1. ^ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. pp. 4–57. ISBN 978-0-8493-0594-8.
  2. ^ Cite error: The named reference CR was invoked but never defined (see the help page).
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