TmH2 is Fluorite structured and crystallizes in the cubic Fm-3m space group. Tm(1) is bonded in a body-centered cubic geometry to eight equivalent H(1) atoms. H(1) is bonded to four equivalent Tm(1) atoms to form a mixture of corner and edge-sharing HTm4 tetrahedra.
TmH2 is Fluorite structured and crystallizes in the cubic Fm-3m space group. Tm(1) is bonded in a body-centered cubic geometry to eight equivalent H(1) atoms. All Tm(1)-H(1) bond lengths are 2.19 Å. H(1) is bonded to four equivalent Tm(1) atoms to form a mixture of corner and edge-sharing HTm4 tetrahedra.