Praseodymium monosulfide

Praseodymium monosulfide
Names
	IUPAC name sulfanylidenepraseodymium(1+)
	Other names Praseodymium(II) sulfide
Identifiers
CAS Number	12038-06-1;
3D model (JSmol)	Interactive image;
	InChI InChI=1S/Pr.S/q+2;-2 Key: AESILDUJSAGKHP-UHFFFAOYSA-N;
	SMILES [S-2].[Pr+2];
Properties
Chemical formula	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). Infobox references

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

Synthesis

Fusion of stoichiometric amounts of pure substances:

Pr + S → PrS

Physical properties

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 PrS_0.75–1.

References

^ "WebElements Periodic Table » Praseodymium » praseodymium sulphide". webelements.com. Retrieved 25 July 2024.
^ "Praseodymium(II) Sulfide". American Elements. Retrieved 25 July 2024.
^ 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.
^ 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.
^ Swanson, Howard Eugene (1962). Standard X-ray Diffraction Powder Patterns: Data for 46 substances. National Bureau of Standards. p. 67. Retrieved 25 July 2024.

[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.

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