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Praseodymium monosulfide

From Wikipedia, the free encyclopedia
Praseodymium monosulfide
Names
IUPAC name
sulfanylidenepraseodymium(1+)
Other names
Praseodymium(II) sulfide
Identifiers
3D model (JSmol)
  • InChI=1S/Pr.S/q+2;-2
    Key: AESILDUJSAGKHP-UHFFFAOYSA-N
  • [S-2].[Pr+2]
Properties
PrS
Molar mass 172.97 g·mol−1
Appearance Crystalline solid
Density 6.1 g/cm3
Melting point 2,230 °C (4,050 °F; 2,500 K)
Related compounds
Related compounds
Samarium monosulfide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Praseodymium monosulfide is a binary inorganic chemical compound of praseodymium metal and sulfur with the chemical formula PrS.[1][2]

Synthesis

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Fusion of stoichiometric amounts of pure substances:

Pr + S → PrS

Physical properties

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Praseodymium monosulfide forms crystals of the cubic system, space group Fm3m, cell parameters a = 0.5727 nm, Z = 4, structurally isomorphous with NaCl.[3][4][5]

The compound melts at a temperature of 2230 °C and has a homogeneity range of PrS0.75–1.

References

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  1. ^ "WebElements Periodic Table » Praseodymium » praseodymium sulphide". webelements.com. Retrieved 25 July 2024.
  2. ^ "Praseodymium(II) Sulfide". American Elements. Retrieved 25 July 2024.
  3. ^ Okamoto, H. (1 October 1991). "Pr-S (Praseodymium-Sulfur)". Journal of Phase Equilibria. 12 (5): 618–619. doi:10.1007/BF02645088. ISSN 1054-9714. Retrieved 25 July 2024.
  4. ^ Predel, B. (1998). "Pr-S (Praseodymium-Sulfur)". Ni-Np – Pt-Zr. Landolt-Börnstein - Group IV Physical Chemistry. I: 1–2. doi:10.1007/10542753_2497. ISBN 3-540-61712-4. Retrieved 25 July 2024.
  5. ^ Swanson, Howard Eugene (1962). Standard X-ray Diffraction Powder Patterns: Data for 46 substances. National Bureau of Standards. p. 67. Retrieved 25 July 2024.