TbPr3 is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. Tb(1) is bonded to twelve equivalent Pr(1) atoms to form TbPr12 cuboctahedra that share corners with six equivalent Tb(1)Pr12 cuboctahedra, corners with twelve equivalent Pr(1)Tb4Pr8 cuboctahedra, edges with eighteen equivalent Pr(1)Tb4Pr8 cuboctahedra, faces with eight equivalent Tb(1)Pr12 cuboctahedra, and faces with twelve equivalent Pr(1)Tb4Pr8 cuboctahedra. Pr(1) is bonded to four equivalent Tb(1) and eight equivalent Pr(1) atoms to form PrTb4Pr8 cuboctahedra that share corners with four equivalent Tb(1)Pr12 cuboctahedra, corners with fourteen equivalent Pr(1)Tb4Pr8 cuboctahedra, edges with six equivalent Tb(1)Pr12 cuboctahedra, edges with twelve equivalent Pr(1)Tb4Pr8 cuboctahedra, faces with four equivalent Tb(1)Pr12 cuboctahedra, and faces with sixteen equivalent Pr(1)Tb4Pr8 cuboctahedra.
TbPr3 is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. Tb(1) is bonded to twelve equivalent Pr(1) atoms to form TbPr12 cuboctahedra that share corners with six equivalent Tb(1)Pr12 cuboctahedra, corners with twelve equivalent Pr(1)Tb4Pr8 cuboctahedra, edges with eighteen equivalent Pr(1)Tb4Pr8 cuboctahedra, faces with eight equivalent Tb(1)Pr12 cuboctahedra, and faces with twelve equivalent Pr(1)Tb4Pr8 cuboctahedra. There are six shorter (3.67 Å) and six longer (3.75 Å) Tb(1)-Pr(1) bond lengths. Pr(1) is bonded to four equivalent Tb(1) and eight equivalent Pr(1) atoms to form PrTb4Pr8 cuboctahedra that share corners with four equivalent Tb(1)Pr12 cuboctahedra, corners with fourteen equivalent Pr(1)Tb4Pr8 cuboctahedra, edges with six equivalent Tb(1)Pr12 cuboctahedra, edges with twelve equivalent Pr(1)Tb4Pr8 cuboctahedra, faces with four equivalent Tb(1)Pr12 cuboctahedra, and faces with sixteen equivalent Pr(1)Tb4Pr8 cuboctahedra. There are a spread of Pr(1)-Pr(1) bond distances ranging from 3.69-3.78 Å.