Samarium(III) antimonide

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Samarium(III) antimonide
File:NaCl polyhedra.svg
Names
Other names
  • Samarium(III) antimony
  • Antimony-Samarium
Identifiers
3D model (JSmol)
ChemSpider
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EC Number
  • 249-762-8
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  • InChI=1S/Sb.Sm
    Key: JQVBLEDYHQAMKN-UHFFFAOYSA-N
  • [Sb].[Sm]
Properties
PrSb
Molar mass 272.12 g/mol
Density 7.3 g/cm3
Melting point 1922 °C
Related compounds
Other anions
SmN, SmP, SmAs, SmBi, Sm2O3
Other cations
PrSb, NdSb
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Samarium antimonide is a binary inorganic compound of samarium and antimony with the formula SmSb. It forms crystals.

Preparation

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Samarium antimonide can be prepared by heating samarium and antimony in a vacuum:

𝖲𝗆+𝖲𝖻 1922oC 𝖲𝗆𝖲𝖻

Physical properties

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Samarium antimonide forms cubic crystals, space group Fm3m, cell parameters a = 0.6271 nm, Z = 4, and structure like sodium chloride.[1][2][3]

The compound melts congruently at a temperature of ≈2000 °C[1] or 1922 °C.[3]

References

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