Identifiers | |
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3D model (JSmol) | |
ChemSpider | |
ECHA InfoCard | 100.031.689 |
EC Number |
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CompTox Dashboard (EPA) | |
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Properties | |
PrSe | |
Molar mass | 219.87 |
Density | 6.9 g/cm3 |
Melting point | 2,100 °C (3,810 °F; 2,370 K) |
Related compounds | |
Other anions | PrS PrTe |
Other cations | CeSe NdSe |
Related compounds | Pr2Se3 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Praseodymium monoselenide is a compound with the chemical formula PrSe. It forms crystals.
Praseodymium monoselenide can be prepared by directly reacting praseodymium and selenium at 2100 °C: [1]
The temperature at which selenium and praseodymium start to react when they come into contact is 620 K. [2]
Praseodymium monoselenide forms cubic crystals, space group Fm3m, unit cell parameters a = 0.5741 nm, Z = 4, and a structure similar to that of sodium chloride. [3] [4]
The compound melts congruently[ clarification needed ] at 2100 °C. [4]