Praseodymium monoselenide

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

Preparation

Praseodymium monoselenide can be prepared by directly reacting praseodymium and selenium at 2100 °C:
The temperature at which selenium and praseodymium start to react when they come into contact is 620 K.

Properties

Praseodymium monoselenide forms cubic crystals, space group Fm''m'', unit cell parameters a = 0.5741 nm, Z = 4, and a structure similar to that of sodium chloride.
The compound melts congruently at 2100 °C.