Praseodymium(III) nitride
Praseodymium nitride is a binary inorganic compound of praseodymium and nitrogen. Its chemical formula is. The compound forms black crystals, and reacts with water.
Preparation
Praseodymium nitride can be prepared by the reaction of nitrogen and metallic praseodymium on heating:It can also be prepared from the reaction of ammonia and praseodymium metal on heating:
Properties
Praseodymium nitride forms black crystals of a cubic system. The space group is Fm3''m'', with cell parameter a = 0.5165 nm, Z = 4, its structure similar to that of sodium chloride.The compound is readily hydrolyzed with water and reacts with acids.