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Praseodymium monoselenide

Chemical compound From Wikipedia, the free encyclopedia

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Praseodymium monoselenide is a compound with the chemical formula PrSe. It forms crystals.

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Preparation

Praseodymium monoselenide can be prepared by directly reacting praseodymium and selenium at 2100 °C:[1]

Pr + Se → PrSe

The temperature at which selenium and praseodymium start to react when they come into contact is 620 K.[2]

Properties

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]

References

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