The compound described by NaMg6Zn is beta Cu3Ti-derived structured and crystallizes in the orthorhombic Amm2 space group. Na(1) is bonded to two equivalent Mg(4); four Mg(1,1); four Mg(3,3,3); and two equivalent Zn(1) atoms to form NaMg10Zn2 cuboctahedra that share corners with four equivalent Mg(4)Na2Mg10 cuboctahedra; corners with six equivalent Na(1)Mg10Zn2 cuboctahedra; corners with eight Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Mg(4)Na2Mg10 cuboctahedra; edges with four Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Zn(1)Na2Mg10 cuboctahedra; edges with eight Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(1,1)Na2Mg8Zn2 cuboctahedra; faces with four Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; and faces with six equivalent Mg(2)Mg10Zn2 cuboctahedra. There are eight 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 Zn(1) atoms to form distorted MgNa2Mg8Zn2 cuboctahedra that share corners with four equivalent Mg(2)Mg10Zn2 cuboctahedra; corners with four equivalent Zn(1)Na2Mg10 cuboctahedra; corners with ten Mg(1,1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with two equivalent Mg(1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Zn(1)Na2Mg10 cuboctahedra; edges with four equivalent Na(1)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(4)Na2Mg10 cuboctahedra; edges with four equivalent Mg(3)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(1,1)Na2Mg8Zn2 cuboctahedra; and faces with eight Mg(3,3)Na2Mg8Zn2 cuboctahedra. In the second 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 Zn(1) atoms to form distorted MgNa2Mg8Zn2 cuboctahedra that share corners with four equivalent Mg(2)Mg10Zn2 cuboctahedra; corners with four equivalent Zn(1)Na2Mg10 cuboctahedra; corners with ten Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with two equivalent Mg(1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Zn(1)Na2Mg10 cuboctahedra; edges with four equivalent Na(1)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(4)Na2Mg10 cuboctahedra; edges with four equivalent Mg(3)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(1,1)Na2Mg8Zn2 cuboctahedra; and faces with eight Mg(3,3,3)Na2Mg8Zn2 cuboctahedra. In the third Mg site, Mg(2) is bonded to two equivalent Mg(4); four Mg(1,1,1); four Mg(3,3); and two equivalent Zn(1) atoms to form MgMg10Zn2 cuboctahedra that share corners with four equivalent Zn(1)Na2Mg10 cuboctahedra; corners with six equivalent Mg(2)Mg10Zn2 cuboctahedra; corners with eight Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Zn(1)Na2Mg10 cuboctahedra; edges with four equivalent Mg(4)Na2Mg10 cuboctahedra; edges with four Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; edges with eight Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; faces with four Mg(3,3)Na2Mg8Zn2 cuboctahedra; and faces with six equivalent Na(1)Mg10Zn2 cuboctahedra. In the fourth Mg site, Mg(3) 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 Zn(1) atoms to form distorted MgNa2Mg8Zn2 cuboctahedra that share corners with four equivalent Na(1)Mg10Zn2 cuboctahedra; corners with four equivalent Mg(4)Na2Mg10 cuboctahedra; corners with ten Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Na(1)Mg10Zn2 cuboctahedra; edges with two equivalent Mg(4)Na2Mg10 cuboctahedra; edges with two equivalent Mg(3)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(1)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Zn(1)Na2Mg10 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(3,3)Na2Mg8Zn2 cuboctahedra; and faces with eight Mg(1,1,1)Na2Mg8Zn2 cuboctahedra. In the fifth Mg site, Mg(3) 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 Zn(1) atoms to form distorted MgNa2Mg8Zn2 cuboctahedra that share corners with four equivalent Na(1)Mg10Zn2 cuboctahedra; corners with four equivalent Mg(4)Na2Mg10 cuboctahedra; corners with ten Mg(3,3)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Na(1)Mg10Zn2 cuboctahedra; edges with two equivalent Mg(4)Na2Mg10 cuboctahedra; edges with two equivalent Mg(3)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(1)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Zn(1)Na2Mg10 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(3,3)Na2Mg8Zn2 cuboctahedra; and faces with eight Mg(1,1)Na2Mg8Zn2 cuboctahedra. In the sixth Mg site, Mg(4) is bonded to two equivalent Na(1); two equivalent Mg(2); four Mg(1,1); and four Mg(3,3,3) atoms to form MgNa2Mg10 cuboctahedra that share corners with four equivalent Na(1)Mg10Zn2 cuboctahedra; corners with six equivalent Mg(4)Na2Mg10 cuboctahedra; corners with eight Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Na(1)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with four Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; edges with eight Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with four Mg(1,1)Na2Mg8Zn2 cuboctahedra; faces with four Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; and faces with six equivalent Zn(1)Na2Mg10 cuboctahedra. In the seventh 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 Zn(1) atoms to form distorted MgNa2Mg8Zn2 cuboctahedra that share corners with four equivalent Mg(2)Mg10Zn2 cuboctahedra; corners with four equivalent Zn(1)Na2Mg10 cuboctahedra; corners with ten Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with two equivalent Mg(1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Zn(1)Na2Mg10 cuboctahedra; edges with four equivalent Na(1)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(4)Na2Mg10 cuboctahedra; edges with four equivalent Mg(3)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(1,1)Na2Mg8Zn2 cuboctahedra; and faces with eight Mg(3,3)Na2Mg8Zn2 cuboctahedra. In the eighth Mg site, Mg(3) 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 Zn(1) atoms to form distorted MgNa2Mg8Zn2 cuboctahedra that share corners with four equivalent Na(1)Mg10Zn2 cuboctahedra; corners with four equivalent Mg(4)Na2Mg10 cuboctahedra; corners with ten Mg(3,3)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Na(1)Mg10Zn2 cuboctahedra; edges with two equivalent Mg(4)Na2Mg10 cuboctahedra; edges with two equivalent Mg(3)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(1)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Zn(1)Na2Mg10 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(3,3)Na2Mg8Zn2 cuboctahedra; and faces with eight Mg(1,1,1)Na2Mg8Zn2 cuboctahedra. Zn(1) is bonded to two equivalent Na(1); two equivalent Mg(2); four Mg(1,1,1); and four Mg(3,3) atoms to form ZnNa2Mg10 cuboctahedra that share corners with four equivalent Mg(2)Mg10Zn2 cuboctahedra; corners with six equivalent Zn(1)Na2Mg10 cuboctahedra; corners with eight Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with four equivalent Na(1)Mg10Zn2 cuboctahedra; edges with four Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; edges with eight Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; faces with four Mg(3,3)Na2Mg8Zn2 cuboctahedra; and faces with six equivalent Mg(4)Na2Mg10 cuboctahedra. is represented by the CIF file [CIF]
data_NaMg6Zn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.166
_cell_length_b   6.341
_cell_length_c   6.341
_cell_angle_alpha   119.483
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   180.810
_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
  Mg  Mg0  1  0.000  0.670  0.836  1.0
  Mg  Mg1  1  0.000  0.164  0.330  1.0
  Mg  Mg2  1  0.000  0.667  0.333  1.0
  Mg  Mg3  1  0.500  0.839  0.670  1.0
  Mg  Mg4  1  0.500  0.330  0.161  1.0
  Mg  Mg5  1  0.500  0.834  0.166  1.0
  Na  Na6  1  0.500  0.331  0.669  1.0
  Zn  Zn7  1  0.000  0.165  0.835  1.0
[/CIF]
.
The compound described by NaMg6Zn is beta Cu3Ti-derived structured and crystallizes in the orthorhombic Amm2 space group. Na(1) is bonded to two equivalent Mg(4); four Mg(1,1); four Mg(3,3,3); and two equivalent Zn(1) atoms to form NaMg10Zn2 cuboctahedra that share corners with four equivalent Mg(4)Na2Mg10 cuboctahedra; corners with six equivalent Na(1)Mg10Zn2 cuboctahedra; corners with eight Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Mg(4)Na2Mg10 cuboctahedra; edges with four Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Zn(1)Na2Mg10 cuboctahedra; edges with eight Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(1,1)Na2Mg8Zn2 cuboctahedra; faces with four Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; and faces with six equivalent Mg(2)Mg10Zn2 cuboctahedra. There are eight 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 Zn(1) atoms to form distorted MgNa2Mg8Zn2 cuboctahedra that share corners with four equivalent Mg(2)Mg10Zn2 cuboctahedra; corners with four equivalent Zn(1)Na2Mg10 cuboctahedra; corners with ten Mg(1,1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with two equivalent Mg(1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Zn(1)Na2Mg10 cuboctahedra; edges with four equivalent Na(1)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(4)Na2Mg10 cuboctahedra; edges with four equivalent Mg(3)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(1,1)Na2Mg8Zn2 cuboctahedra; and faces with eight Mg(3,3)Na2Mg8Zn2 cuboctahedra. In the second 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 Zn(1) atoms to form distorted MgNa2Mg8Zn2 cuboctahedra that share corners with four equivalent Mg(2)Mg10Zn2 cuboctahedra; corners with four equivalent Zn(1)Na2Mg10 cuboctahedra; corners with ten Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with two equivalent Mg(1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Zn(1)Na2Mg10 cuboctahedra; edges with four equivalent Na(1)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(4)Na2Mg10 cuboctahedra; edges with four equivalent Mg(3)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(1,1)Na2Mg8Zn2 cuboctahedra; and faces with eight Mg(3,3,3)Na2Mg8Zn2 cuboctahedra. In the third Mg site, Mg(2) is bonded to two equivalent Mg(4); four Mg(1,1,1); four Mg(3,3); and two equivalent Zn(1) atoms to form MgMg10Zn2 cuboctahedra that share corners with four equivalent Zn(1)Na2Mg10 cuboctahedra; corners with six equivalent Mg(2)Mg10Zn2 cuboctahedra; corners with eight Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Zn(1)Na2Mg10 cuboctahedra; edges with four equivalent Mg(4)Na2Mg10 cuboctahedra; edges with four Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; edges with eight Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; faces with four Mg(3,3)Na2Mg8Zn2 cuboctahedra; and faces with six equivalent Na(1)Mg10Zn2 cuboctahedra. In the fourth Mg site, Mg(3) 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 Zn(1) atoms to form distorted MgNa2Mg8Zn2 cuboctahedra that share corners with four equivalent Na(1)Mg10Zn2 cuboctahedra; corners with four equivalent Mg(4)Na2Mg10 cuboctahedra; corners with ten Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Na(1)Mg10Zn2 cuboctahedra; edges with two equivalent Mg(4)Na2Mg10 cuboctahedra; edges with two equivalent Mg(3)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(1)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Zn(1)Na2Mg10 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(3,3)Na2Mg8Zn2 cuboctahedra; and faces with eight Mg(1,1,1)Na2Mg8Zn2 cuboctahedra. In the fifth Mg site, Mg(3) 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 Zn(1) atoms to form distorted MgNa2Mg8Zn2 cuboctahedra that share corners with four equivalent Na(1)Mg10Zn2 cuboctahedra; corners with four equivalent Mg(4)Na2Mg10 cuboctahedra; corners with ten Mg(3,3)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Na(1)Mg10Zn2 cuboctahedra; edges with two equivalent Mg(4)Na2Mg10 cuboctahedra; edges with two equivalent Mg(3)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(1)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Zn(1)Na2Mg10 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(3,3)Na2Mg8Zn2 cuboctahedra; and faces with eight Mg(1,1)Na2Mg8Zn2 cuboctahedra. In the sixth Mg site, Mg(4) is bonded to two equivalent Na(1); two equivalent Mg(2); four Mg(1,1); and four Mg(3,3,3) atoms to form MgNa2Mg10 cuboctahedra that share corners with four equivalent Na(1)Mg10Zn2 cuboctahedra; corners with six equivalent Mg(4)Na2Mg10 cuboctahedra; corners with eight Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Na(1)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with four Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; edges with eight Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with four Mg(1,1)Na2Mg8Zn2 cuboctahedra; faces with four Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; and faces with six equivalent Zn(1)Na2Mg10 cuboctahedra. In the seventh 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 Zn(1) atoms to form distorted MgNa2Mg8Zn2 cuboctahedra that share corners with four equivalent Mg(2)Mg10Zn2 cuboctahedra; corners with four equivalent Zn(1)Na2Mg10 cuboctahedra; corners with ten Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with two equivalent Mg(1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Zn(1)Na2Mg10 cuboctahedra; edges with four equivalent Na(1)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(4)Na2Mg10 cuboctahedra; edges with four equivalent Mg(3)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(1,1)Na2Mg8Zn2 cuboctahedra; and faces with eight Mg(3,3)Na2Mg8Zn2 cuboctahedra. In the eighth Mg site, Mg(3) 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 Zn(1) atoms to form distorted MgNa2Mg8Zn2 cuboctahedra that share corners with four equivalent Na(1)Mg10Zn2 cuboctahedra; corners with four equivalent Mg(4)Na2Mg10 cuboctahedra; corners with ten Mg(3,3)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Na(1)Mg10Zn2 cuboctahedra; edges with two equivalent Mg(4)Na2Mg10 cuboctahedra; edges with two equivalent Mg(3)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with four equivalent Mg(1)Na2Mg8Zn2 cuboctahedra; edges with four equivalent Zn(1)Na2Mg10 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(4)Na2Mg10 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(3,3)Na2Mg8Zn2 cuboctahedra; and faces with eight Mg(1,1,1)Na2Mg8Zn2 cuboctahedra. Zn(1) is bonded to two equivalent Na(1); two equivalent Mg(2); four Mg(1,1,1); and four Mg(3,3) atoms to form ZnNa2Mg10 cuboctahedra that share corners with four equivalent Mg(2)Mg10Zn2 cuboctahedra; corners with six equivalent Zn(1)Na2Mg10 cuboctahedra; corners with eight Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; edges with two equivalent Mg(2)Mg10Zn2 cuboctahedra; edges with four equivalent Na(1)Mg10Zn2 cuboctahedra; edges with four Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; edges with eight Mg(3,3,3)Na2Mg8Zn2 cuboctahedra; faces with two equivalent Na(1)Mg10Zn2 cuboctahedra; faces with two equivalent Mg(2)Mg10Zn2 cuboctahedra; faces with two equivalent Zn(1)Na2Mg10 cuboctahedra; faces with four Mg(1,1,1)Na2Mg8Zn2 cuboctahedra; faces with four Mg(3,3)Na2Mg8Zn2 cuboctahedra; and faces with six equivalent Mg(4)Na2Mg10 cuboctahedra. is represented by the CIF file [CIF]
data_NaMg6Zn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.166
_cell_length_b   6.341
_cell_length_c   6.341
_cell_angle_alpha   119.483
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   180.810
_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
  Mg  Mg0  1  0.000  0.670  0.836  1.0
  Mg  Mg1  1  0.000  0.164  0.330  1.0
  Mg  Mg2  1  0.000  0.667  0.333  1.0
  Mg  Mg3  1  0.500  0.839  0.670  1.0
  Mg  Mg4  1  0.500  0.330  0.161  1.0
  Mg  Mg5  1  0.500  0.834  0.166  1.0
  Na  Na6  1  0.500  0.331  0.669  1.0
  Zn  Zn7  1  0.000  0.165  0.835  1.0
[/CIF]
.