Samarium(III) chloride

Samarium(III) chloride
Samarium(III)_chloride_hexahydrate
Names
IUPAC name
samarium(III) chloride
Other names
samarium trichloride
trichlorosamarium
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.712 Edit this at Wikidata
EC Number
  • 233-797-0
UNII
  • InChI=1S/3ClH.Sm/h3*1H;/q;;;+3/p-3 checkY
    Key: BHXBZLPMVFUQBQ-UHFFFAOYSA-K checkY
  • InChI=1/3ClH.Sm/h3*1H;/q;;;+3/p-3
    Key: BHXBZLPMVFUQBQ-DFZHHIFOAZ
  • Cl[Sm](Cl)Cl
Properties
SmCl3
Molar mass 256.76 g/mol (anhydrous)
364.80 g/mol (hexahydrate)
Appearance pale yellow solid (anhydrous)

cream-coloured solid (hexahydrate)

Density 4.46 g/cm3 (anhydrous)

2.383 g/cm3 (hexahydrate)

Melting point 682 °C (1,260 °F; 955 K)
Boiling point decomposes
92.4 g/100 mL (10 °C)
Structure
hexagonal, hP8
P63/m, No. 176
Tricapped trigonal prismatic
(nine-coordinate)
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Irritant
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319
P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, P362
Related compounds
Other anions
Samarium(III) fluoride
Samarium(III) bromide
Samarium(III) oxide
Other cations
Samarium(II) chloride
Promethium(III) chloride
Europium(III) chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Samarium(III) chloride, also known as samarium trichloride, is an inorganic compound of samarium and chloride. It is a pale yellow salt that rapidly absorbs water to form a hexahydrate, SmCl3.6H2O.[1] The compound has few practical applications but is used in laboratories for research on new compounds of samarium.

  1. ^ F. T. Edelmann, P. Poremba (1997). W. A. Herrmann (ed.). Synthetic Methods of Organometallic and Inorganic Chemistry. Vol. 6. Stuttgart: Georg Thieme Verlag.

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