Gd3Al is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. Gd(1) is bonded to eight equivalent Gd(1) and four equivalent Al(1) atoms to form distorted GdGd8Al4 cuboctahedra that share corners with twelve equivalent Gd(1)Gd8Al4 cuboctahedra, edges with eight equivalent Al(1)Gd12 cuboctahedra, edges with sixteen equivalent Gd(1)Gd8Al4 cuboctahedra, faces with four equivalent Al(1)Gd12 cuboctahedra, and faces with fourteen equivalent Gd(1)Gd8Al4 cuboctahedra. Al(1) is bonded to twelve equivalent Gd(1) atoms to form AlGd12 cuboctahedra that share corners with twelve equivalent Al(1)Gd12 cuboctahedra, edges with twenty-four equivalent Gd(1)Gd8Al4 cuboctahedra, faces with six equivalent Al(1)Gd12 cuboctahedra, and faces with twelve equivalent Gd(1)Gd8Al4 cuboctahedra.
Gd3Al is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. Gd(1) is bonded to eight equivalent Gd(1) and four equivalent Al(1) atoms to form distorted GdGd8Al4 cuboctahedra that share corners with twelve equivalent Gd(1)Gd8Al4 cuboctahedra, edges with eight equivalent Al(1)Gd12 cuboctahedra, edges with sixteen equivalent Gd(1)Gd8Al4 cuboctahedra, faces with four equivalent Al(1)Gd12 cuboctahedra, and faces with fourteen equivalent Gd(1)Gd8Al4 cuboctahedra. All Gd(1)-Gd(1) bond lengths are 3.40 Å. All Gd(1)-Al(1) bond lengths are 3.40 Å. Al(1) is bonded to twelve equivalent Gd(1) atoms to form AlGd12 cuboctahedra that share corners with twelve equivalent Al(1)Gd12 cuboctahedra, edges with twenty-four equivalent Gd(1)Gd8Al4 cuboctahedra, faces with six equivalent Al(1)Gd12 cuboctahedra, and faces with twelve equivalent Gd(1)Gd8Al4 cuboctahedra.