Praseodymium monosulfide is a binary inorganic chemical compound of praseodymium metal and sulfur with the chemical formula PrS.[1][2]
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| Names | |
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| IUPAC name
sulfanylidenepraseodymium(1+)
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| Other names
Praseodymium(II) sulfide
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| Identifiers | |
3D model (JSmol)
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| 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
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Samarium monosulfide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Synthesis
editFusion of stoichiometric amounts of pure substances:
- Pr + S → PrS
Physical properties
editSamarium 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
edit- ^ "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. I: 1–2. doi:10.1007/10542753_2497. 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.