Praseodymium monosulfide is a binary inorganic chemical compound of praseodymium metal and sulfur with the chemical formula PrS.
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.
The compound melts at a temperature of 2230 °C and has a homogeneity range of PrS0.75–1.
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