Europium(III) chloride

Europium(III) chloride
Names
IUPAC names
Europium(III) chloride
Europium trichloride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.025 Edit this at Wikidata
EC Number
  • 233-040-4
RTECS number
  • LE7525000
UNII
  • InChI=1S/3ClH.Eu/h3*1H;/q;;;+3/p-3 checkY
    Key: NNMXSTWQJRPBJZ-UHFFFAOYSA-K checkY
  • InChI=1/3ClH.Eu/h3*1H;/q;;;+3/p-3
    Key: NNMXSTWQJRPBJZ-DFZHHIFOAZ
  • Cl[Eu](Cl)Cl
Properties
EuCl3
Molar mass 258.323 g/mol
366.41 g/mol (hexahydrate)
Melting point 632 °C (1,170 °F; 905 K) decomposes
Solubility in other solvents Soluble
Structure
hexagonal (UCl3 type), hP8
P63/m, No. 176
Tricapped trigonal prismatic
(nine-coordinate)
Related compounds
Other anions
 Europium(III) oxide
Other cations
 Samarium(III) chloride
Gadolinium(III) chloride
Related compounds
 Europium dichloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Europium(III) chloride is an inorganic compound with the formula EuCl3. The anhydrous compound is a yellow solid. Being hygroscopic it rapidly absorbs water to form a white crystalline hexahydrate, EuCl3·6H2O, which is colourless. The compound is used in research.