Lanthanum nitride
Lanthanum nitride is a binary inorganic compound of lanthanum and nitride with the chemical formula.
Preparation
Lanthanum nitride can be prepared from the reaction of nitrogen and lanthanum trihydride:It can also be prepared from the reaction of ammonia and lanthanum trihydride:
The reaction of nitrogen and lanthanum amalgam can also work:
Ammonia is more reactive than N2 gas, so the synthesis works at lower temperatures:
Physical properties
Lanthanum nitride forms black powder that is insoluble in water. Their crystals are of the cubic system with the Fm3m space group.It is paramagnetic.
Chemical properties
Lanthanum nitride reacts with water and moisture from the air:It reacts with acids: