The crystal structure described by Dy3Sm is alpha La-derived structured and crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to four equivalent Dy(1), four equivalent Dy(2), and four equivalent Sm(1) atoms to form DySm4Dy8 cuboctahedra that share corners with twelve equivalent Dy(1)Sm4Dy8 cuboctahedra, edges with eight equivalent Dy(1)Sm4Dy8 cuboctahedra, edges with eight equivalent Dy(2)Sm4Dy8 cuboctahedra, edges with eight equivalent Sm(1)Dy12 cuboctahedra, faces with four equivalent Dy(2)Sm4Dy8 cuboctahedra, faces with four equivalent Sm(1)Dy12 cuboctahedra, and faces with ten equivalent Dy(1)Sm4Dy8 cuboctahedra. In the second Dy site, Dy(2) is bonded to eight equivalent Dy(1) and four equivalent Sm(1) atoms to form DySm4Dy8 cuboctahedra that share corners with four equivalent Dy(2)Sm4Dy8 cuboctahedra, corners with eight equivalent Sm(1)Dy12 cuboctahedra, edges with eight equivalent Dy(2)Sm4Dy8 cuboctahedra, edges with sixteen equivalent Dy(1)Sm4Dy8 cuboctahedra, faces with four equivalent Dy(2)Sm4Dy8 cuboctahedra, faces with six equivalent Sm(1)Dy12 cuboctahedra, and faces with eight equivalent Dy(1)Sm4Dy8 cuboctahedra. Sm(1) is bonded to four equivalent Dy(2) and eight equivalent Dy(1) atoms to form SmDy12 cuboctahedra that share corners with four equivalent Sm(1)Dy12 cuboctahedra, corners with eight equivalent Dy(2)Sm4Dy8 cuboctahedra, edges with eight equivalent Sm(1)Dy12 cuboctahedra, edges with sixteen equivalent Dy(1)Sm4Dy8 cuboctahedra, faces with four equivalent Sm(1)Dy12 cuboctahedra, faces with six equivalent Dy(2)Sm4Dy8 cuboctahedra, and faces with eight equivalent Dy(1)Sm4Dy8 cuboctahedra. is represented by the CIF card [CIF]
data_SmDy3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.175
_cell_length_b   6.175
_cell_length_c   6.175
_cell_angle_alpha   131.763
_cell_angle_beta   131.763
_cell_angle_gamma   70.604
_symmetry_Int_Tables_number   1
_cell_volume   128.372
_cell_formula_units_Z   1
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
  Sm  Sm0  1  0.000  0.000  0.000  1.0
  Dy  Dy1  1  0.750  0.250  0.500  1.0
  Dy  Dy2  1  0.250  0.750  0.500  1.0
  Dy  Dy3  1  0.500  0.500  0.000  1.0
[/CIF]
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The crystal structure described by Dy3Sm is alpha La-derived structured and crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to four equivalent Dy(1), four equivalent Dy(2), and four equivalent Sm(1) atoms to form DySm4Dy8 cuboctahedra that share corners with twelve equivalent Dy(1)Sm4Dy8 cuboctahedra, edges with eight equivalent Dy(1)Sm4Dy8 cuboctahedra, edges with eight equivalent Dy(2)Sm4Dy8 cuboctahedra, edges with eight equivalent Sm(1)Dy12 cuboctahedra, faces with four equivalent Dy(2)Sm4Dy8 cuboctahedra, faces with four equivalent Sm(1)Dy12 cuboctahedra, and faces with ten equivalent Dy(1)Sm4Dy8 cuboctahedra. In the second Dy site, Dy(2) is bonded to eight equivalent Dy(1) and four equivalent Sm(1) atoms to form DySm4Dy8 cuboctahedra that share corners with four equivalent Dy(2)Sm4Dy8 cuboctahedra, corners with eight equivalent Sm(1)Dy12 cuboctahedra, edges with eight equivalent Dy(2)Sm4Dy8 cuboctahedra, edges with sixteen equivalent Dy(1)Sm4Dy8 cuboctahedra, faces with four equivalent Dy(2)Sm4Dy8 cuboctahedra, faces with six equivalent Sm(1)Dy12 cuboctahedra, and faces with eight equivalent Dy(1)Sm4Dy8 cuboctahedra. Sm(1) is bonded to four equivalent Dy(2) and eight equivalent Dy(1) atoms to form SmDy12 cuboctahedra that share corners with four equivalent Sm(1)Dy12 cuboctahedra, corners with eight equivalent Dy(2)Sm4Dy8 cuboctahedra, edges with eight equivalent Sm(1)Dy12 cuboctahedra, edges with sixteen equivalent Dy(1)Sm4Dy8 cuboctahedra, faces with four equivalent Sm(1)Dy12 cuboctahedra, faces with six equivalent Dy(2)Sm4Dy8 cuboctahedra, and faces with eight equivalent Dy(1)Sm4Dy8 cuboctahedra. is represented by the CIF card [CIF]
data_SmDy3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.175
_cell_length_b   6.175
_cell_length_c   6.175
_cell_angle_alpha   131.763
_cell_angle_beta   131.763
_cell_angle_gamma   70.604
_symmetry_Int_Tables_number   1
_cell_volume   128.372
_cell_formula_units_Z   1
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
  Sm  Sm0  1  0.000  0.000  0.000  1.0
  Dy  Dy1  1  0.750  0.250  0.500  1.0
  Dy  Dy2  1  0.250  0.750  0.500  1.0
  Dy  Dy3  1  0.500  0.500  0.000  1.0
[/CIF]
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