MgTh3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. Mg(1) is bonded to twelve equivalent Th(1) atoms to form MgTh12 cuboctahedra that share corners with twelve equivalent Mg(1)Th12 cuboctahedra, edges with twenty-four equivalent Th(1)Th8Mg4 cuboctahedra, faces with six equivalent Mg(1)Th12 cuboctahedra, and faces with twelve equivalent Th(1)Th8Mg4 cuboctahedra. Th(1) is bonded to four equivalent Mg(1) and eight equivalent Th(1) atoms to form ThTh8Mg4 cuboctahedra that share corners with twelve equivalent Th(1)Th8Mg4 cuboctahedra, edges with eight equivalent Mg(1)Th12 cuboctahedra, edges with sixteen equivalent Th(1)Th8Mg4 cuboctahedra, faces with four equivalent Mg(1)Th12 cuboctahedra, and faces with fourteen equivalent Th(1)Th8Mg4 cuboctahedra.
MgTh3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. Mg(1) is bonded to twelve equivalent Th(1) atoms to form MgTh12 cuboctahedra that share corners with twelve equivalent Mg(1)Th12 cuboctahedra, edges with twenty-four equivalent Th(1)Th8Mg4 cuboctahedra, faces with six equivalent Mg(1)Th12 cuboctahedra, and faces with twelve equivalent Th(1)Th8Mg4 cuboctahedra. All Mg(1)-Th(1) bond lengths are 3.51 Å. Th(1) is bonded to four equivalent Mg(1) and eight equivalent Th(1) atoms to form ThTh8Mg4 cuboctahedra that share corners with twelve equivalent Th(1)Th8Mg4 cuboctahedra, edges with eight equivalent Mg(1)Th12 cuboctahedra, edges with sixteen equivalent Th(1)Th8Mg4 cuboctahedra, faces with four equivalent Mg(1)Th12 cuboctahedra, and faces with fourteen equivalent Th(1)Th8Mg4 cuboctahedra. All Th(1)-Th(1) bond lengths are 3.51 Å.