![]() | |
Names | |
---|---|
IUPAC name sulfanylidenepraseodymium(1+) | |
Other names Praseodymium(II) sulfide | |
Identifiers | |
3D model (JSmol) | |
| |
| |
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]
Fusion of stoichiometric amounts of pure substances:
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.