SmH2 is Fluorite structured and crystallizes in the cubic Fm-3m space group. Sm(1) is bonded in a body-centered cubic geometry to eight equivalent H(1) atoms. H(1) is bonded to four equivalent Sm(1) atoms to form a mixture of corner and edge-sharing HSm4 tetrahedra.
SmH2 is Fluorite structured and crystallizes in the cubic Fm-3m space group. Sm(1) is bonded in a body-centered cubic geometry to eight equivalent H(1) atoms. All Sm(1)-H(1) bond lengths are 2.33 Å. H(1) is bonded to four equivalent Sm(1) atoms to form a mixture of corner and edge-sharing HSm4 tetrahedra.