Samarium(III) iodide

Samarium(III) iodide
Names
Other names
Triiodosamarium, Samarium triiodide
Identifiers
3D model (JSmol)
ECHA InfoCard 100.034.048 Edit this at Wikidata
  • InChI=1S/3HI.Sm/h3*1H;/q;;;+3/p-3
    Key: XQKBFQXWZCFNFF-UHFFFAOYSA-K
  • I[Sm](I)I
Properties
SmI
3
Molar mass 531.1
Appearance orange-yellow crystals
Melting point 850 °C (1,560 °F; 1,120 K)
decomposes in water
Hazards
GHS labelling:
Danger
Related compounds
Related compounds
 Samarium(II) iodide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Samarium(III) iodide is an inorganic compound, a salt of samarium and hydroiodic acid with the chemical formula SmI
3.[1][2]

Synthesis

Samarium(III) iodide is prepared by the reaction of metallic samarium and iodine:[3]

Properties

Samarium(III) iodide is a yellow powder that is unstable in air and decomposes in water (hydrolysis).[1] When heated with metallic samarium, it forms samarium diiodide:[4]

Reduction by hydrogen also affords samarium diiodide:

Applications

The compound is commercially available and used in organic reactions as a catalyst.[1]

References

  1. ^ a b c Zhang, Yuanmin (6 November 2011). "Samarium Triiodide". Synlett. 2011 (11): 1638–1639. doi:10.1055/s-0030-1260781.
  2. ^ "Samarium(III) Iodide". American Elements. American Elements. Retrieved 8 August 2021.
  3. ^ Molodkin, A. K.; Karagodina, A. M.; Tupolev, V. S.; Dudareva, A. G.; Prokhina, A. G. (1984). "Iodination of samarium and reaction of samarium triiodide with lithium iodide". Zhurnal Neorganicheskoj Khimii (in Russian). 29 (4): 1069–1072. ISSN 0044-457X. Retrieved 8 August 2021.
  4. ^ Imamoto, Tsuneo; Ono, Mitsumasa (5 March 1987). "The Reaction of Samarium(III) Iodide with Samarium Metal in Tetrahydrofuran, A New Method for the Preparation of Samarium(II) Iodide". Chemistry Letters. 16 (3): 501–502. doi:10.1246/cl.1987.501. ISSN 0366-7022.