Europium hydride

Europium hydride is the most common hydride of europium with a chemical formula EuH₂. In this compound, europium atom is in the +2 oxidation state and the hydrogen atoms are −1.^[3] It is a ferromagnetic semiconductor.^[4]

Europium hydride

Names
Other names Europium(II) hydride Europium dihydride
Identifiers
CAS Number	13814-78-3 Y
3D model (JSmol)	Interactive image
PubChem CID	165360237
InChI InChI=1S/Eu.2H/q+2;2*-1 Key: YWDWTHOTGAGHBK-UHFFFAOYSA-N
SMILES [Eu+2].[H-].[H-]
Properties
Chemical formula	EuH2
Molar mass	153.98
Appearance	dark reddish powder[1]
Related compounds
Other anions	Europium(II) oxide Europium(II) hydroxide Europium(II) chloride
Other cations	samarium hydride gadolinium hydride
Related compounds	Europium(III) hydride[2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Production

Europium hydride can be produced by directly reacting europium and hydrogen gas:^[3]

Eu + H₂ → EuH₂

Uses

EuH₂ can be used as a source of Eu²⁺ to create metal-organic frameworks that have the Eu²⁺ ion.^[1]