MgDyAu crystallizes in the hexagonal P-62m space group. Mg(1) is bonded to two equivalent Au(1) and two equivalent Au(2) atoms to form a mixture of distorted edge and corner-sharing MgAu4 tetrahedra. Dy(1) is bonded in a 5-coordinate geometry to one Au(2) and four equivalent Au(1) atoms. There are two inequivalent Au sites. In the first Au site, Au(2) is bonded in a 9-coordinate geometry to six equivalent Mg(1) and three equivalent Dy(1) atoms. In the second Au site, Au(1) is bonded in a 9-coordinate geometry to three equivalent Mg(1) and six equivalent Dy(1) atoms.
MgDyAu crystallizes in the hexagonal P-62m space group. Mg(1) is bonded to two equivalent Au(1) and two equivalent Au(2) atoms to form a mixture of distorted edge and corner-sharing MgAu4 tetrahedra. Both Mg(1)-Au(1) bond lengths are 2.90 Å. Both Mg(1)-Au(2) bond lengths are 2.76 Å. Dy(1) is bonded in a 5-coordinate geometry to one Au(2) and four equivalent Au(1) atoms. The Dy(1)-Au(2) bond length is 3.11 Å. All Dy(1)-Au(1) bond lengths are 3.06 Å. There are two inequivalent Au sites. In the first Au site, Au(2) is bonded in a 9-coordinate geometry to six equivalent Mg(1) and three equivalent Dy(1) atoms. In the second Au site, Au(1) is bonded in a 9-coordinate geometry to three equivalent Mg(1) and six equivalent Dy(1) atoms.