The material structure described by DyNd crystallizes in the trigonal R3m space group. There are three inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to three equivalent Dy(3), six equivalent Dy(1), and three equivalent Nd(3) atoms to form DyNd3Dy9 cuboctahedra that share corners with six equivalent Dy(1)Nd3Dy9 cuboctahedra, corners with six equivalent Nd(2)Nd6Dy6 cuboctahedra, corners with six equivalent Nd(1)Nd9Dy3 cuboctahedra, edges with six equivalent Dy(1)Nd3Dy9 cuboctahedra, edges with six equivalent Dy(3)Nd3Dy9 cuboctahedra, edges with six equivalent Nd(3)Nd9Dy3 cuboctahedra,  a faceface with one Nd(2)Nd6Dy6 cuboctahedra,  a faceface with one Nd(1)Nd9Dy3 cuboctahedra, faces with six equivalent Dy(1)Nd3Dy9 cuboctahedra, faces with six equivalent Dy(3)Nd3Dy9 cuboctahedra, and faces with six equivalent Nd(3)Nd9Dy3 cuboctahedra. In the second Dy site, Dy(2) is bonded to six equivalent Dy(2), three equivalent Nd(1), and three equivalent Nd(2) atoms to form DyNd6Dy6 cuboctahedra that share corners with six equivalent Dy(3)Nd3Dy9 cuboctahedra, corners with six equivalent Dy(2)Nd6Dy6 cuboctahedra, corners with six equivalent Nd(3)Nd9Dy3 cuboctahedra, edges with six equivalent Dy(2)Nd6Dy6 cuboctahedra, edges with six equivalent Nd(2)Nd6Dy6 cuboctahedra, edges with six equivalent Nd(1)Nd9Dy3 cuboctahedra,  a faceface with one Dy(3)Nd3Dy9 cuboctahedra,  a faceface with one Nd(3)Nd9Dy3 cuboctahedra, faces with six equivalent Dy(2)Nd6Dy6 cuboctahedra, faces with six equivalent Nd(2)Nd6Dy6 cuboctahedra, and faces with six equivalent Nd(1)Nd9Dy3 cuboctahedra. In the third Dy site, Dy(3) is bonded to three equivalent Dy(1), six equivalent Dy(3), and three equivalent Nd(2) atoms to form DyNd3Dy9 cuboctahedra that share corners with three equivalent Nd(3)Nd9Dy3 cuboctahedra, corners with six equivalent Dy(3)Nd3Dy9 cuboctahedra, corners with six equivalent Dy(2)Nd6Dy6 cuboctahedra, edges with three equivalent Nd(3)Nd9Dy3 cuboctahedra, edges with six equivalent Dy(1)Nd3Dy9 cuboctahedra, edges with six equivalent Dy(3)Nd3Dy9 cuboctahedra, edges with six equivalent Nd(2)Nd6Dy6 cuboctahedra,  a faceface with one Dy(2)Nd6Dy6 cuboctahedra, faces with six equivalent Dy(1)Nd3Dy9 cuboctahedra, faces with six equivalent Dy(3)Nd3Dy9 cuboctahedra, and faces with six equivalent Nd(2)Nd6Dy6 cuboctahedra. There are three inequivalent Nd sites. In the first Nd site, Nd(1) is bonded to three equivalent Dy(2), three equivalent Nd(3), and six equivalent Nd(1) atoms to form NdNd9Dy3 cuboctahedra that share corners with three equivalent Nd(2)Nd6Dy6 cuboctahedra, corners with six equivalent Dy(1)Nd3Dy9 cuboctahedra, corners with six equivalent Nd(1)Nd9Dy3 cuboctahedra, edges with three equivalent Nd(2)Nd6Dy6 cuboctahedra, edges with six equivalent Dy(2)Nd6Dy6 cuboctahedra, edges with six equivalent Nd(1)Nd9Dy3 cuboctahedra, edges with six equivalent Nd(3)Nd9Dy3 cuboctahedra,  a faceface with one Dy(1)Nd3Dy9 cuboctahedra, faces with six equivalent Dy(2)Nd6Dy6 cuboctahedra, faces with six equivalent Nd(1)Nd9Dy3 cuboctahedra, and faces with six equivalent Nd(3)Nd9Dy3 cuboctahedra. In the second Nd site, Nd(2) is bonded to three equivalent Dy(2), three equivalent Dy(3), and six equivalent Nd(2) atoms to form NdNd6Dy6 cuboctahedra that share corners with three equivalent Nd(1)Nd9Dy3 cuboctahedra, corners with six equivalent Dy(1)Nd3Dy9 cuboctahedra, corners with six equivalent Nd(2)Nd6Dy6 cuboctahedra, edges with three equivalent Nd(1)Nd9Dy3 cuboctahedra, edges with six equivalent Dy(3)Nd3Dy9 cuboctahedra, edges with six equivalent Dy(2)Nd6Dy6 cuboctahedra, edges with six equivalent Nd(2)Nd6Dy6 cuboctahedra,  a faceface with one Dy(1)Nd3Dy9 cuboctahedra, faces with six equivalent Dy(3)Nd3Dy9 cuboctahedra, faces with six equivalent Dy(2)Nd6Dy6 cuboctahedra, and faces with six equivalent Nd(2)Nd6Dy6 cuboctahedra. In the third Nd site, Nd(3) is bonded to three equivalent Dy(1), three equivalent Nd(1), and six equivalent Nd(3) atoms to form NdNd9Dy3 cuboctahedra that share corners with three equivalent Dy(3)Nd3Dy9 cuboctahedra, corners with six equivalent Dy(2)Nd6Dy6 cuboctahedra, corners with six equivalent Nd(3)Nd9Dy3 cuboctahedra, edges with three equivalent Dy(3)Nd3Dy9 cuboctahedra, edges with six equivalent Dy(1)Nd3Dy9 cuboctahedra, edges with six equivalent Nd(1)Nd9Dy3 cuboctahedra, edges with six equivalent Nd(3)Nd9Dy3 cuboctahedra,  a faceface with one Dy(2)Nd6Dy6 cuboctahedra, faces with six equivalent Dy(1)Nd3Dy9 cuboctahedra, faces with six equivalent Nd(1)Nd9Dy3 cuboctahedra, and faces with six equivalent Nd(3)Nd9Dy3 cuboctahedra. is represented by the CIF file [CIF]
data_NdDy
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   17.835
_cell_length_b   17.835
_cell_length_c   17.835
_cell_angle_alpha   11.694
_cell_angle_beta   11.694
_cell_angle_gamma   11.694
_symmetry_Int_Tables_number   1
_cell_volume   202.512
_cell_formula_units_Z   3
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Nd  Nd0  1  0.112  0.112  0.112  1.0
  Nd  Nd1  1  0.889  0.889  0.889  1.0
  Nd  Nd2  1  0.388  0.388  0.388  1.0
  Dy  Dy3  1  0.999  0.999  0.999  1.0
  Dy  Dy4  1  0.500  0.500  0.500  1.0
  Dy  Dy5  1  0.612  0.612  0.612  1.0
[/CIF]
.
The material structure described by DyNd crystallizes in the trigonal R3m space group. There are three inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to three equivalent Dy(3), six equivalent Dy(1), and three equivalent Nd(3) atoms to form DyNd3Dy9 cuboctahedra that share corners with six equivalent Dy(1)Nd3Dy9 cuboctahedra, corners with six equivalent Nd(2)Nd6Dy6 cuboctahedra, corners with six equivalent Nd(1)Nd9Dy3 cuboctahedra, edges with six equivalent Dy(1)Nd3Dy9 cuboctahedra, edges with six equivalent Dy(3)Nd3Dy9 cuboctahedra, edges with six equivalent Nd(3)Nd9Dy3 cuboctahedra,  a faceface with one Nd(2)Nd6Dy6 cuboctahedra,  a faceface with one Nd(1)Nd9Dy3 cuboctahedra, faces with six equivalent Dy(1)Nd3Dy9 cuboctahedra, faces with six equivalent Dy(3)Nd3Dy9 cuboctahedra, and faces with six equivalent Nd(3)Nd9Dy3 cuboctahedra. In the second Dy site, Dy(2) is bonded to six equivalent Dy(2), three equivalent Nd(1), and three equivalent Nd(2) atoms to form DyNd6Dy6 cuboctahedra that share corners with six equivalent Dy(3)Nd3Dy9 cuboctahedra, corners with six equivalent Dy(2)Nd6Dy6 cuboctahedra, corners with six equivalent Nd(3)Nd9Dy3 cuboctahedra, edges with six equivalent Dy(2)Nd6Dy6 cuboctahedra, edges with six equivalent Nd(2)Nd6Dy6 cuboctahedra, edges with six equivalent Nd(1)Nd9Dy3 cuboctahedra,  a faceface with one Dy(3)Nd3Dy9 cuboctahedra,  a faceface with one Nd(3)Nd9Dy3 cuboctahedra, faces with six equivalent Dy(2)Nd6Dy6 cuboctahedra, faces with six equivalent Nd(2)Nd6Dy6 cuboctahedra, and faces with six equivalent Nd(1)Nd9Dy3 cuboctahedra. In the third Dy site, Dy(3) is bonded to three equivalent Dy(1), six equivalent Dy(3), and three equivalent Nd(2) atoms to form DyNd3Dy9 cuboctahedra that share corners with three equivalent Nd(3)Nd9Dy3 cuboctahedra, corners with six equivalent Dy(3)Nd3Dy9 cuboctahedra, corners with six equivalent Dy(2)Nd6Dy6 cuboctahedra, edges with three equivalent Nd(3)Nd9Dy3 cuboctahedra, edges with six equivalent Dy(1)Nd3Dy9 cuboctahedra, edges with six equivalent Dy(3)Nd3Dy9 cuboctahedra, edges with six equivalent Nd(2)Nd6Dy6 cuboctahedra,  a faceface with one Dy(2)Nd6Dy6 cuboctahedra, faces with six equivalent Dy(1)Nd3Dy9 cuboctahedra, faces with six equivalent Dy(3)Nd3Dy9 cuboctahedra, and faces with six equivalent Nd(2)Nd6Dy6 cuboctahedra. There are three inequivalent Nd sites. In the first Nd site, Nd(1) is bonded to three equivalent Dy(2), three equivalent Nd(3), and six equivalent Nd(1) atoms to form NdNd9Dy3 cuboctahedra that share corners with three equivalent Nd(2)Nd6Dy6 cuboctahedra, corners with six equivalent Dy(1)Nd3Dy9 cuboctahedra, corners with six equivalent Nd(1)Nd9Dy3 cuboctahedra, edges with three equivalent Nd(2)Nd6Dy6 cuboctahedra, edges with six equivalent Dy(2)Nd6Dy6 cuboctahedra, edges with six equivalent Nd(1)Nd9Dy3 cuboctahedra, edges with six equivalent Nd(3)Nd9Dy3 cuboctahedra,  a faceface with one Dy(1)Nd3Dy9 cuboctahedra, faces with six equivalent Dy(2)Nd6Dy6 cuboctahedra, faces with six equivalent Nd(1)Nd9Dy3 cuboctahedra, and faces with six equivalent Nd(3)Nd9Dy3 cuboctahedra. In the second Nd site, Nd(2) is bonded to three equivalent Dy(2), three equivalent Dy(3), and six equivalent Nd(2) atoms to form NdNd6Dy6 cuboctahedra that share corners with three equivalent Nd(1)Nd9Dy3 cuboctahedra, corners with six equivalent Dy(1)Nd3Dy9 cuboctahedra, corners with six equivalent Nd(2)Nd6Dy6 cuboctahedra, edges with three equivalent Nd(1)Nd9Dy3 cuboctahedra, edges with six equivalent Dy(3)Nd3Dy9 cuboctahedra, edges with six equivalent Dy(2)Nd6Dy6 cuboctahedra, edges with six equivalent Nd(2)Nd6Dy6 cuboctahedra,  a faceface with one Dy(1)Nd3Dy9 cuboctahedra, faces with six equivalent Dy(3)Nd3Dy9 cuboctahedra, faces with six equivalent Dy(2)Nd6Dy6 cuboctahedra, and faces with six equivalent Nd(2)Nd6Dy6 cuboctahedra. In the third Nd site, Nd(3) is bonded to three equivalent Dy(1), three equivalent Nd(1), and six equivalent Nd(3) atoms to form NdNd9Dy3 cuboctahedra that share corners with three equivalent Dy(3)Nd3Dy9 cuboctahedra, corners with six equivalent Dy(2)Nd6Dy6 cuboctahedra, corners with six equivalent Nd(3)Nd9Dy3 cuboctahedra, edges with three equivalent Dy(3)Nd3Dy9 cuboctahedra, edges with six equivalent Dy(1)Nd3Dy9 cuboctahedra, edges with six equivalent Nd(1)Nd9Dy3 cuboctahedra, edges with six equivalent Nd(3)Nd9Dy3 cuboctahedra,  a faceface with one Dy(2)Nd6Dy6 cuboctahedra, faces with six equivalent Dy(1)Nd3Dy9 cuboctahedra, faces with six equivalent Nd(1)Nd9Dy3 cuboctahedra, and faces with six equivalent Nd(3)Nd9Dy3 cuboctahedra. is represented by the CIF file [CIF]
data_NdDy
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   17.835
_cell_length_b   17.835
_cell_length_c   17.835
_cell_angle_alpha   11.694
_cell_angle_beta   11.694
_cell_angle_gamma   11.694
_symmetry_Int_Tables_number   1
_cell_volume   202.512
_cell_formula_units_Z   3
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Nd  Nd0  1  0.112  0.112  0.112  1.0
  Nd  Nd1  1  0.889  0.889  0.889  1.0
  Nd  Nd2  1  0.388  0.388  0.388  1.0
  Dy  Dy3  1  0.999  0.999  0.999  1.0
  Dy  Dy4  1  0.500  0.500  0.500  1.0
  Dy  Dy5  1  0.612  0.612  0.612  1.0
[/CIF]
.