Pr3La is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. Pr(1) is bonded to eight equivalent Pr(1) and four equivalent La(1) atoms to form PrLa4Pr8 cuboctahedra that share corners with twelve equivalent Pr(1)La4Pr8 cuboctahedra, edges with eight equivalent La(1)Pr12 cuboctahedra, edges with sixteen equivalent Pr(1)La4Pr8 cuboctahedra, faces with four equivalent La(1)Pr12 cuboctahedra, and faces with fourteen equivalent Pr(1)La4Pr8 cuboctahedra. La(1) is bonded to twelve equivalent Pr(1) atoms to form LaPr12 cuboctahedra that share corners with twelve equivalent La(1)Pr12 cuboctahedra, edges with twenty-four equivalent Pr(1)La4Pr8 cuboctahedra, faces with six equivalent La(1)Pr12 cuboctahedra, and faces with twelve equivalent Pr(1)La4Pr8 cuboctahedra.
Pr3La is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. Pr(1) is bonded to eight equivalent Pr(1) and four equivalent La(1) atoms to form PrLa4Pr8 cuboctahedra that share corners with twelve equivalent Pr(1)La4Pr8 cuboctahedra, edges with eight equivalent La(1)Pr12 cuboctahedra, edges with sixteen equivalent Pr(1)La4Pr8 cuboctahedra, faces with four equivalent La(1)Pr12 cuboctahedra, and faces with fourteen equivalent Pr(1)La4Pr8 cuboctahedra. All Pr(1)-Pr(1) bond lengths are 3.73 Å. All Pr(1)-La(1) bond lengths are 3.73 Å. La(1) is bonded to twelve equivalent Pr(1) atoms to form LaPr12 cuboctahedra that share corners with twelve equivalent La(1)Pr12 cuboctahedra, edges with twenty-four equivalent Pr(1)La4Pr8 cuboctahedra, faces with six equivalent La(1)Pr12 cuboctahedra, and faces with twelve equivalent Pr(1)La4Pr8 cuboctahedra.