The material structure described by NaMg6Cd crystallizes in the orthorhombic Amm2 space group. Na(1) is bonded to two equivalent Mg(3), four equivalent Mg(1), four equivalent Mg(2), and two equivalent Cd(1) atoms to form NaMg10Cd2 cuboctahedra that share corners with four equivalent Cd(1)Na2Mg10 cuboctahedra, corners with six equivalent Na(1)Mg10Cd2 cuboctahedra, corners with eight equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Cd(1)Na2Mg10 cuboctahedra, edges with four equivalent Mg(3)Na2Mg10 cuboctahedra, edges with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with eight equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, faces with two equivalent Na(1)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(3)Na2Mg10 cuboctahedra, faces with two equivalent Cd(1)Na2Mg10 cuboctahedra, faces with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, faces with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, and faces with six equivalent Mg(4)Mg10Cd2 cuboctahedra. There are four inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Na(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Cd(1) atoms to form distorted MgNa2Mg8Cd2 cuboctahedra that share corners with four equivalent Na(1)Mg10Cd2 cuboctahedra, corners with four equivalent Cd(1)Na2Mg10 cuboctahedra, corners with ten equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Na(1)Mg10Cd2 cuboctahedra, edges with two equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Cd(1)Na2Mg10 cuboctahedra, edges with four equivalent Mg(4)Mg10Cd2 cuboctahedra, edges with four equivalent Mg(3)Na2Mg10 cuboctahedra, edges with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, faces with two equivalent Na(1)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(4)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(3)Na2Mg10 cuboctahedra, faces with two equivalent Cd(1)Na2Mg10 cuboctahedra, faces with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, and faces with eight equivalent Mg(2)Na2Mg8Cd2 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Na(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Cd(1) atoms to form distorted MgNa2Mg8Cd2 cuboctahedra that share corners with four equivalent Mg(4)Mg10Cd2 cuboctahedra, corners with four equivalent Mg(3)Na2Mg10 cuboctahedra, corners with ten equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Mg(4)Mg10Cd2 cuboctahedra, edges with two equivalent Mg(3)Na2Mg10 cuboctahedra, edges with two equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, edges with four equivalent Na(1)Mg10Cd2 cuboctahedra, edges with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with four equivalent Cd(1)Na2Mg10 cuboctahedra, faces with two equivalent Na(1)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(4)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(3)Na2Mg10 cuboctahedra, faces with two equivalent Cd(1)Na2Mg10 cuboctahedra, faces with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, and faces with eight equivalent Mg(1)Na2Mg8Cd2 cuboctahedra. In the third Mg site, Mg(3) is bonded to two equivalent Na(1), two equivalent Mg(4), four equivalent Mg(1), and four equivalent Mg(2) atoms to form MgNa2Mg10 cuboctahedra that share corners with four equivalent Mg(4)Mg10Cd2 cuboctahedra, corners with six equivalent Mg(3)Na2Mg10 cuboctahedra, corners with eight equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Mg(4)Mg10Cd2 cuboctahedra, edges with four equivalent Na(1)Mg10Cd2 cuboctahedra, edges with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, edges with eight equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, faces with two equivalent Na(1)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(4)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(3)Na2Mg10 cuboctahedra, faces with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, faces with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, and faces with six equivalent Cd(1)Na2Mg10 cuboctahedra. In the fourth Mg site, Mg(4) is bonded to two equivalent Mg(3), four equivalent Mg(1), four equivalent Mg(2), and two equivalent Cd(1) atoms to form MgMg10Cd2 cuboctahedra that share corners with four equivalent Mg(3)Na2Mg10 cuboctahedra, corners with six equivalent Mg(4)Mg10Cd2 cuboctahedra, corners with eight equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Mg(3)Na2Mg10 cuboctahedra, edges with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, edges with four equivalent Cd(1)Na2Mg10 cuboctahedra, edges with eight equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, faces with two equivalent Mg(4)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(3)Na2Mg10 cuboctahedra, faces with two equivalent Cd(1)Na2Mg10 cuboctahedra, faces with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, faces with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, and faces with six equivalent Na(1)Mg10Cd2 cuboctahedra. Cd(1) is bonded to two equivalent Na(1), two equivalent Mg(4), four equivalent Mg(1), and four equivalent Mg(2) atoms to form CdNa2Mg10 cuboctahedra that share corners with four equivalent Na(1)Mg10Cd2 cuboctahedra, corners with six equivalent Cd(1)Na2Mg10 cuboctahedra, corners with eight equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Na(1)Mg10Cd2 cuboctahedra, edges with four equivalent Mg(4)Mg10Cd2 cuboctahedra, edges with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with eight equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, faces with two equivalent Na(1)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(4)Mg10Cd2 cuboctahedra, faces with two equivalent Cd(1)Na2Mg10 cuboctahedra, faces with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, faces with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, and faces with six equivalent Mg(3)Na2Mg10 cuboctahedra. is represented by the CIF file [CIF]
data_NaMg6Cd
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.258
_cell_length_b   6.419
_cell_length_c   6.420
_cell_angle_alpha   119.993
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   187.661
_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
  Cd  Cd0  1  0.500  0.666  0.333  1.0
  Mg  Mg1  1  0.500  0.666  0.833  1.0
  Mg  Mg2  1  0.500  0.168  0.833  1.0
  Mg  Mg3  1  0.000  0.832  0.166  1.0
  Mg  Mg4  1  1.000  0.335  0.166  1.0
  Mg  Mg5  1  0.000  0.334  0.668  1.0
  Mg  Mg6  1  0.000  0.833  0.666  1.0
  Na  Na7  1  0.500  0.167  0.334  1.0
[/CIF]
.
The material structure described by NaMg6Cd crystallizes in the orthorhombic Amm2 space group. Na(1) is bonded to two equivalent Mg(3), four equivalent Mg(1), four equivalent Mg(2), and two equivalent Cd(1) atoms to form NaMg10Cd2 cuboctahedra that share corners with four equivalent Cd(1)Na2Mg10 cuboctahedra, corners with six equivalent Na(1)Mg10Cd2 cuboctahedra, corners with eight equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Cd(1)Na2Mg10 cuboctahedra, edges with four equivalent Mg(3)Na2Mg10 cuboctahedra, edges with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with eight equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, faces with two equivalent Na(1)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(3)Na2Mg10 cuboctahedra, faces with two equivalent Cd(1)Na2Mg10 cuboctahedra, faces with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, faces with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, and faces with six equivalent Mg(4)Mg10Cd2 cuboctahedra. There are four inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Na(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Cd(1) atoms to form distorted MgNa2Mg8Cd2 cuboctahedra that share corners with four equivalent Na(1)Mg10Cd2 cuboctahedra, corners with four equivalent Cd(1)Na2Mg10 cuboctahedra, corners with ten equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Na(1)Mg10Cd2 cuboctahedra, edges with two equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Cd(1)Na2Mg10 cuboctahedra, edges with four equivalent Mg(4)Mg10Cd2 cuboctahedra, edges with four equivalent Mg(3)Na2Mg10 cuboctahedra, edges with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, faces with two equivalent Na(1)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(4)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(3)Na2Mg10 cuboctahedra, faces with two equivalent Cd(1)Na2Mg10 cuboctahedra, faces with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, and faces with eight equivalent Mg(2)Na2Mg8Cd2 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Na(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Cd(1) atoms to form distorted MgNa2Mg8Cd2 cuboctahedra that share corners with four equivalent Mg(4)Mg10Cd2 cuboctahedra, corners with four equivalent Mg(3)Na2Mg10 cuboctahedra, corners with ten equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Mg(4)Mg10Cd2 cuboctahedra, edges with two equivalent Mg(3)Na2Mg10 cuboctahedra, edges with two equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, edges with four equivalent Na(1)Mg10Cd2 cuboctahedra, edges with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with four equivalent Cd(1)Na2Mg10 cuboctahedra, faces with two equivalent Na(1)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(4)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(3)Na2Mg10 cuboctahedra, faces with two equivalent Cd(1)Na2Mg10 cuboctahedra, faces with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, and faces with eight equivalent Mg(1)Na2Mg8Cd2 cuboctahedra. In the third Mg site, Mg(3) is bonded to two equivalent Na(1), two equivalent Mg(4), four equivalent Mg(1), and four equivalent Mg(2) atoms to form MgNa2Mg10 cuboctahedra that share corners with four equivalent Mg(4)Mg10Cd2 cuboctahedra, corners with six equivalent Mg(3)Na2Mg10 cuboctahedra, corners with eight equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Mg(4)Mg10Cd2 cuboctahedra, edges with four equivalent Na(1)Mg10Cd2 cuboctahedra, edges with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, edges with eight equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, faces with two equivalent Na(1)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(4)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(3)Na2Mg10 cuboctahedra, faces with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, faces with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, and faces with six equivalent Cd(1)Na2Mg10 cuboctahedra. In the fourth Mg site, Mg(4) is bonded to two equivalent Mg(3), four equivalent Mg(1), four equivalent Mg(2), and two equivalent Cd(1) atoms to form MgMg10Cd2 cuboctahedra that share corners with four equivalent Mg(3)Na2Mg10 cuboctahedra, corners with six equivalent Mg(4)Mg10Cd2 cuboctahedra, corners with eight equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Mg(3)Na2Mg10 cuboctahedra, edges with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, edges with four equivalent Cd(1)Na2Mg10 cuboctahedra, edges with eight equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, faces with two equivalent Mg(4)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(3)Na2Mg10 cuboctahedra, faces with two equivalent Cd(1)Na2Mg10 cuboctahedra, faces with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, faces with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, and faces with six equivalent Na(1)Mg10Cd2 cuboctahedra. Cd(1) is bonded to two equivalent Na(1), two equivalent Mg(4), four equivalent Mg(1), and four equivalent Mg(2) atoms to form CdNa2Mg10 cuboctahedra that share corners with four equivalent Na(1)Mg10Cd2 cuboctahedra, corners with six equivalent Cd(1)Na2Mg10 cuboctahedra, corners with eight equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with two equivalent Na(1)Mg10Cd2 cuboctahedra, edges with four equivalent Mg(4)Mg10Cd2 cuboctahedra, edges with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, edges with eight equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, faces with two equivalent Na(1)Mg10Cd2 cuboctahedra, faces with two equivalent Mg(4)Mg10Cd2 cuboctahedra, faces with two equivalent Cd(1)Na2Mg10 cuboctahedra, faces with four equivalent Mg(1)Na2Mg8Cd2 cuboctahedra, faces with four equivalent Mg(2)Na2Mg8Cd2 cuboctahedra, and faces with six equivalent Mg(3)Na2Mg10 cuboctahedra. is represented by the CIF file [CIF]
data_NaMg6Cd
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.258
_cell_length_b   6.419
_cell_length_c   6.420
_cell_angle_alpha   119.993
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   187.661
_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
  Cd  Cd0  1  0.500  0.666  0.333  1.0
  Mg  Mg1  1  0.500  0.666  0.833  1.0
  Mg  Mg2  1  0.500  0.168  0.833  1.0
  Mg  Mg3  1  0.000  0.832  0.166  1.0
  Mg  Mg4  1  1.000  0.335  0.166  1.0
  Mg  Mg5  1  0.000  0.334  0.668  1.0
  Mg  Mg6  1  0.000  0.833  0.666  1.0
  Na  Na7  1  0.500  0.167  0.334  1.0
[/CIF]
.