Neodymium(III) hydride is an inorganic compound composed of neodymium and hydrogen with a chemical formula NdH<sub>3</sub>. In this compound, the neodymium atom is in the +3 oxidation state and the hydrogen atoms are âÂÂ1. It is highly reactive.
Neodymium(III) hydride can be produced by directly reacting neodymium and hydrogen gas:
It can also be made by hydrogenating neodymium(II) hydride.
Neodymium hydride is a blue crystal of the hexagonal system, with unit cell parameters a=0.385 nm, c=0.688 nm.
It reacts with water to form neodymium hydroxide and hydrogen gas: