Th3Nd is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. Th(1) is bonded to eight equivalent Th(1) and four equivalent Nd(1) atoms to form ThNd4Th8 cuboctahedra that share corners with twelve equivalent Th(1)Nd4Th8 cuboctahedra, edges with eight equivalent Nd(1)Th12 cuboctahedra, edges with sixteen equivalent Th(1)Nd4Th8 cuboctahedra, faces with four equivalent Nd(1)Th12 cuboctahedra, and faces with fourteen equivalent Th(1)Nd4Th8 cuboctahedra. Nd(1) is bonded to twelve equivalent Th(1) atoms to form NdTh12 cuboctahedra that share corners with twelve equivalent Nd(1)Th12 cuboctahedra, edges with twenty-four equivalent Th(1)Nd4Th8 cuboctahedra, faces with six equivalent Nd(1)Th12 cuboctahedra, and faces with twelve equivalent Th(1)Nd4Th8 cuboctahedra.
Th3Nd is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. Th(1) is bonded to eight equivalent Th(1) and four equivalent Nd(1) atoms to form ThNd4Th8 cuboctahedra that share corners with twelve equivalent Th(1)Nd4Th8 cuboctahedra, edges with eight equivalent Nd(1)Th12 cuboctahedra, edges with sixteen equivalent Th(1)Nd4Th8 cuboctahedra, faces with four equivalent Nd(1)Th12 cuboctahedra, and faces with fourteen equivalent Th(1)Nd4Th8 cuboctahedra. All Th(1)-Th(1) bond lengths are 3.59 Å. All Th(1)-Nd(1) bond lengths are 3.59 Å. Nd(1) is bonded to twelve equivalent Th(1) atoms to form NdTh12 cuboctahedra that share corners with twelve equivalent Nd(1)Th12 cuboctahedra, edges with twenty-four equivalent Th(1)Nd4Th8 cuboctahedra, faces with six equivalent Nd(1)Th12 cuboctahedra, and faces with twelve equivalent Th(1)Nd4Th8 cuboctahedra.