TbH2 is Fluorite structured and crystallizes in the cubic Fm-3m space group. Tb(1) is bonded in a body-centered cubic geometry to eight equivalent H(1) atoms. H(1) is bonded to four equivalent Tb(1) atoms to form a mixture of corner and edge-sharing HTb4 tetrahedra.
TbH2 is Fluorite structured and crystallizes in the cubic Fm-3m space group. Tb(1) is bonded in a body-centered cubic geometry to eight equivalent H(1) atoms. All Tb(1)-H(1) bond lengths are 2.26 Å. H(1) is bonded to four equivalent Tb(1) atoms to form a mixture of corner and edge-sharing HTb4 tetrahedra.