The structure described by Mg14NbCd crystallizes in the orthorhombic Amm2 space group. There are nine inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(2); two equivalent Mg(6); four Mg(4,4); and four equivalent Mg(5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Cd(1)Mg10Nb2 cuboctahedra; corners with six equivalent Mg(1)Mg12 cuboctahedra; corners with eight equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with four equivalent Mg(6)Mg11Nb cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with eight Mg(5,5)Mg10NbCd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Nb(1)Mg10Cd2 cuboctahedra; faces with four equivalent Mg(5)Mg10NbCd cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(7)Mg11Cd cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Mg(1); two equivalent Mg(7); four Mg(4,4); and four equivalent Mg(5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Nb(1)Mg10Cd2 cuboctahedra; corners with six equivalent Mg(2)Mg12 cuboctahedra; corners with eight equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with four equivalent Mg(7)Mg11Cd cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with eight Mg(5,5)Mg10NbCd cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Cd(1)Mg10Nb2 cuboctahedra; faces with four equivalent Mg(5)Mg10NbCd cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(6)Mg11Nb cuboctahedra. In the third Mg site, Mg(3) is bonded to two equivalent Mg(3), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), two equivalent Nb(1), and two equivalent Cd(1) atoms to form distorted MgMg8Nb2Cd2 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with four equivalent Mg(4)Mg12 cuboctahedra; corners with six equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with two equivalent Nb(1)Mg10Cd2 cuboctahedra; edges with two equivalent Cd(1)Mg10Nb2 cuboctahedra; edges with four Mg(5,5)Mg10NbCd cuboctahedra; edges with four equivalent Mg(7)Mg11Cd cuboctahedra; edges with four equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; faces with two equivalent Nb(1)Mg10Cd2 cuboctahedra; faces with two equivalent Cd(1)Mg10Nb2 cuboctahedra; and faces with eight equivalent Mg(5)Mg10NbCd cuboctahedra. In the fourth Mg site, Mg(4) is bonded to two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), two equivalent Mg(5), two equivalent Mg(6), and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; corners with four equivalent Nb(1)Mg10Cd2 cuboctahedra; corners with four equivalent Cd(1)Mg10Nb2 cuboctahedra; corners with six equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with four Mg(5,5)Mg10NbCd cuboctahedra; edges with four equivalent Mg(7)Mg11Cd cuboctahedra; edges with four equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; and faces with eight equivalent Mg(5)Mg10NbCd cuboctahedra. In the fifth Mg site, Mg(4) is bonded to two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), two equivalent Mg(5), two equivalent Mg(6), and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; corners with four equivalent Nb(1)Mg10Cd2 cuboctahedra; corners with four equivalent Cd(1)Mg10Nb2 cuboctahedra; corners with six equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with four equivalent Mg(5)Mg10NbCd cuboctahedra; edges with four equivalent Mg(7)Mg11Cd cuboctahedra; edges with four equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; and faces with eight Mg(5,5)Mg10NbCd cuboctahedra. In the sixth Mg site, Mg(5) is bonded to one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), one Nb(1), and one Cd(1) atom to form distorted MgMg10NbCd cuboctahedra that share corners with four equivalent Mg(7)Mg11Cd cuboctahedra; corners with four equivalent Mg(6)Mg11Nb cuboctahedra; corners with ten equivalent Mg(5)Mg10NbCd cuboctahedra; edges with two equivalent Mg(5)Mg10NbCd cuboctahedra; edges with two equivalent Mg(7)Mg11Cd cuboctahedra; edges with two equivalent Mg(6)Mg11Nb cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with two equivalent Nb(1)Mg10Cd2 cuboctahedra; edges with two equivalent Cd(1)Mg10Nb2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Nb(1)Mg10Cd2 cuboctahedra;  a faceface with one Cd(1)Mg10Nb2 cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with four equivalent Mg(5)Mg10NbCd cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra. In the seventh Mg site, Mg(6) is bonded to one Mg(1); two equivalent Mg(3); two Mg(4,4); two equivalent Mg(7); four equivalent Mg(5); and one Nb(1) atom to form distorted MgMg11Nb cuboctahedra that share corners with four equivalent Mg(7)Mg11Cd cuboctahedra; corners with six equivalent Mg(6)Mg11Nb cuboctahedra; corners with eight Mg(5,5)Mg10NbCd cuboctahedra; edges with two equivalent Mg(7)Mg11Cd cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Nb(1)Mg10Cd2 cuboctahedra; edges with four equivalent Mg(5)Mg10NbCd cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Nb(1)Mg10Cd2 cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; faces with three equivalent Mg(2)Mg12 cuboctahedra; faces with three equivalent Cd(1)Mg10Nb2 cuboctahedra; and faces with four equivalent Mg(5)Mg10NbCd cuboctahedra. In the eighth Mg site, Mg(7) is bonded to one Mg(2); two equivalent Mg(3); two Mg(4,4); two equivalent Mg(6); four equivalent Mg(5); and one Cd(1) atom to form distorted MgMg11Cd cuboctahedra that share corners with four equivalent Mg(6)Mg11Nb cuboctahedra; corners with six equivalent Mg(7)Mg11Cd cuboctahedra; corners with eight Mg(5,5)Mg10NbCd cuboctahedra; edges with two equivalent Mg(6)Mg11Nb cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Cd(1)Mg10Nb2 cuboctahedra; edges with four equivalent Mg(5)Mg10NbCd cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Cd(1)Mg10Nb2 cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; faces with three equivalent Mg(1)Mg12 cuboctahedra; faces with three equivalent Nb(1)Mg10Cd2 cuboctahedra; and faces with four equivalent Mg(5)Mg10NbCd cuboctahedra. In the ninth Mg site, Mg(5) is bonded to one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), one Nb(1), and one Cd(1) atom to form distorted MgMg10NbCd cuboctahedra that share corners with four equivalent Mg(7)Mg11Cd cuboctahedra; corners with four equivalent Mg(6)Mg11Nb cuboctahedra; corners with ten Mg(5,5)Mg10NbCd cuboctahedra; edges with two equivalent Mg(5)Mg10NbCd cuboctahedra; edges with two equivalent Mg(7)Mg11Cd cuboctahedra; edges with two equivalent Mg(6)Mg11Nb cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with two equivalent Nb(1)Mg10Cd2 cuboctahedra; edges with two equivalent Cd(1)Mg10Nb2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Nb(1)Mg10Cd2 cuboctahedra;  a faceface with one Cd(1)Mg10Nb2 cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with four equivalent Mg(5)Mg10NbCd cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra. Nb(1) is bonded to two equivalent Mg(6), four equivalent Mg(3), four equivalent Mg(5), and two equivalent Cd(1) atoms to form NbMg10Cd2 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with six equivalent Nb(1)Mg10Cd2 cuboctahedra; corners with eight Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Cd(1)Mg10Nb2 cuboctahedra; edges with four equivalent Mg(6)Mg11Nb cuboctahedra; edges with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with eight Mg(5,5)Mg10NbCd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Cd(1)Mg10Nb2 cuboctahedra; faces with four equivalent Mg(5)Mg10NbCd cuboctahedra; faces with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; and faces with six equivalent Mg(7)Mg11Cd cuboctahedra. Cd(1) is bonded to two equivalent Mg(7), four equivalent Mg(3), four equivalent Mg(5), and two equivalent Nb(1) atoms to form CdMg10Nb2 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with six equivalent Cd(1)Mg10Nb2 cuboctahedra; corners with eight Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Nb(1)Mg10Cd2 cuboctahedra; edges with four equivalent Mg(7)Mg11Cd cuboctahedra; edges with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with eight Mg(5,5)Mg10NbCd cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Nb(1)Mg10Cd2 cuboctahedra; faces with four equivalent Mg(5)Mg10NbCd cuboctahedra; faces with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; and faces with six equivalent Mg(6)Mg11Nb cuboctahedra. is represented by the CIF file [CIF]
data_Mg14NbCd
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.354
_cell_length_b   6.349
_cell_length_c   10.038
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   119.977
_symmetry_Int_Tables_number   1
_cell_volume   350.775
_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  0.167  0.333  0.625  1.0
  Mg  Mg1  1  0.167  0.834  0.625  1.0
  Mg  Mg2  1  0.666  0.330  0.125  1.0
  Mg  Mg3  1  0.666  0.333  0.625  1.0
  Mg  Mg4  1  0.666  0.836  0.125  1.0
  Mg  Mg5  1  0.666  0.834  0.625  1.0
  Mg  Mg6  1  0.329  0.171  0.369  1.0
  Mg  Mg7  1  0.329  0.171  0.881  1.0
  Mg  Mg8  1  0.329  0.658  0.369  1.0
  Mg  Mg9  1  0.329  0.658  0.881  1.0
  Mg  Mg10  1  0.843  0.171  0.371  1.0
  Mg  Mg11  1  0.843  0.171  0.879  1.0
  Mg  Mg12  1  0.834  0.667  0.373  1.0
  Mg  Mg13  1  0.834  0.667  0.877  1.0
  Nb  Nb14  1  0.165  0.332  0.125  1.0
  Cd  Cd15  1  0.168  0.834  0.125  1.0
[/CIF]
.
The structure described by Mg14NbCd crystallizes in the orthorhombic Amm2 space group. There are nine inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(2); two equivalent Mg(6); four Mg(4,4); and four equivalent Mg(5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Cd(1)Mg10Nb2 cuboctahedra; corners with six equivalent Mg(1)Mg12 cuboctahedra; corners with eight equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with four equivalent Mg(6)Mg11Nb cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with eight Mg(5,5)Mg10NbCd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Nb(1)Mg10Cd2 cuboctahedra; faces with four equivalent Mg(5)Mg10NbCd cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(7)Mg11Cd cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Mg(1); two equivalent Mg(7); four Mg(4,4); and four equivalent Mg(5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Nb(1)Mg10Cd2 cuboctahedra; corners with six equivalent Mg(2)Mg12 cuboctahedra; corners with eight equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with four equivalent Mg(7)Mg11Cd cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with eight Mg(5,5)Mg10NbCd cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Cd(1)Mg10Nb2 cuboctahedra; faces with four equivalent Mg(5)Mg10NbCd cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(6)Mg11Nb cuboctahedra. In the third Mg site, Mg(3) is bonded to two equivalent Mg(3), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), two equivalent Nb(1), and two equivalent Cd(1) atoms to form distorted MgMg8Nb2Cd2 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with four equivalent Mg(4)Mg12 cuboctahedra; corners with six equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with two equivalent Nb(1)Mg10Cd2 cuboctahedra; edges with two equivalent Cd(1)Mg10Nb2 cuboctahedra; edges with four Mg(5,5)Mg10NbCd cuboctahedra; edges with four equivalent Mg(7)Mg11Cd cuboctahedra; edges with four equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; faces with two equivalent Nb(1)Mg10Cd2 cuboctahedra; faces with two equivalent Cd(1)Mg10Nb2 cuboctahedra; and faces with eight equivalent Mg(5)Mg10NbCd cuboctahedra. In the fourth Mg site, Mg(4) is bonded to two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), two equivalent Mg(5), two equivalent Mg(6), and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; corners with four equivalent Nb(1)Mg10Cd2 cuboctahedra; corners with four equivalent Cd(1)Mg10Nb2 cuboctahedra; corners with six equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with four Mg(5,5)Mg10NbCd cuboctahedra; edges with four equivalent Mg(7)Mg11Cd cuboctahedra; edges with four equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; and faces with eight equivalent Mg(5)Mg10NbCd cuboctahedra. In the fifth Mg site, Mg(4) is bonded to two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), two equivalent Mg(5), two equivalent Mg(6), and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; corners with four equivalent Nb(1)Mg10Cd2 cuboctahedra; corners with four equivalent Cd(1)Mg10Nb2 cuboctahedra; corners with six equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with four equivalent Mg(5)Mg10NbCd cuboctahedra; edges with four equivalent Mg(7)Mg11Cd cuboctahedra; edges with four equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; and faces with eight Mg(5,5)Mg10NbCd cuboctahedra. In the sixth Mg site, Mg(5) is bonded to one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), one Nb(1), and one Cd(1) atom to form distorted MgMg10NbCd cuboctahedra that share corners with four equivalent Mg(7)Mg11Cd cuboctahedra; corners with four equivalent Mg(6)Mg11Nb cuboctahedra; corners with ten equivalent Mg(5)Mg10NbCd cuboctahedra; edges with two equivalent Mg(5)Mg10NbCd cuboctahedra; edges with two equivalent Mg(7)Mg11Cd cuboctahedra; edges with two equivalent Mg(6)Mg11Nb cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with two equivalent Nb(1)Mg10Cd2 cuboctahedra; edges with two equivalent Cd(1)Mg10Nb2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Nb(1)Mg10Cd2 cuboctahedra;  a faceface with one Cd(1)Mg10Nb2 cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with four equivalent Mg(5)Mg10NbCd cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra. In the seventh Mg site, Mg(6) is bonded to one Mg(1); two equivalent Mg(3); two Mg(4,4); two equivalent Mg(7); four equivalent Mg(5); and one Nb(1) atom to form distorted MgMg11Nb cuboctahedra that share corners with four equivalent Mg(7)Mg11Cd cuboctahedra; corners with six equivalent Mg(6)Mg11Nb cuboctahedra; corners with eight Mg(5,5)Mg10NbCd cuboctahedra; edges with two equivalent Mg(7)Mg11Cd cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Nb(1)Mg10Cd2 cuboctahedra; edges with four equivalent Mg(5)Mg10NbCd cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Nb(1)Mg10Cd2 cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; faces with three equivalent Mg(2)Mg12 cuboctahedra; faces with three equivalent Cd(1)Mg10Nb2 cuboctahedra; and faces with four equivalent Mg(5)Mg10NbCd cuboctahedra. In the eighth Mg site, Mg(7) is bonded to one Mg(2); two equivalent Mg(3); two Mg(4,4); two equivalent Mg(6); four equivalent Mg(5); and one Cd(1) atom to form distorted MgMg11Cd cuboctahedra that share corners with four equivalent Mg(6)Mg11Nb cuboctahedra; corners with six equivalent Mg(7)Mg11Cd cuboctahedra; corners with eight Mg(5,5)Mg10NbCd cuboctahedra; edges with two equivalent Mg(6)Mg11Nb cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Cd(1)Mg10Nb2 cuboctahedra; edges with four equivalent Mg(5)Mg10NbCd cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Cd(1)Mg10Nb2 cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; faces with three equivalent Mg(1)Mg12 cuboctahedra; faces with three equivalent Nb(1)Mg10Cd2 cuboctahedra; and faces with four equivalent Mg(5)Mg10NbCd cuboctahedra. In the ninth Mg site, Mg(5) is bonded to one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), one Nb(1), and one Cd(1) atom to form distorted MgMg10NbCd cuboctahedra that share corners with four equivalent Mg(7)Mg11Cd cuboctahedra; corners with four equivalent Mg(6)Mg11Nb cuboctahedra; corners with ten Mg(5,5)Mg10NbCd cuboctahedra; edges with two equivalent Mg(5)Mg10NbCd cuboctahedra; edges with two equivalent Mg(7)Mg11Cd cuboctahedra; edges with two equivalent Mg(6)Mg11Nb cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Mg(4)Mg12 cuboctahedra; edges with two equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with two equivalent Nb(1)Mg10Cd2 cuboctahedra; edges with two equivalent Cd(1)Mg10Nb2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Nb(1)Mg10Cd2 cuboctahedra;  a faceface with one Cd(1)Mg10Nb2 cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with four equivalent Mg(5)Mg10NbCd cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra. Nb(1) is bonded to two equivalent Mg(6), four equivalent Mg(3), four equivalent Mg(5), and two equivalent Cd(1) atoms to form NbMg10Cd2 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with six equivalent Nb(1)Mg10Cd2 cuboctahedra; corners with eight Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Cd(1)Mg10Nb2 cuboctahedra; edges with four equivalent Mg(6)Mg11Nb cuboctahedra; edges with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with eight Mg(5,5)Mg10NbCd cuboctahedra; faces with two equivalent Mg(6)Mg11Nb cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Cd(1)Mg10Nb2 cuboctahedra; faces with four equivalent Mg(5)Mg10NbCd cuboctahedra; faces with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; and faces with six equivalent Mg(7)Mg11Cd cuboctahedra. Cd(1) is bonded to two equivalent Mg(7), four equivalent Mg(3), four equivalent Mg(5), and two equivalent Nb(1) atoms to form CdMg10Nb2 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with six equivalent Cd(1)Mg10Nb2 cuboctahedra; corners with eight Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Nb(1)Mg10Cd2 cuboctahedra; edges with four equivalent Mg(7)Mg11Cd cuboctahedra; edges with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; edges with eight Mg(5,5)Mg10NbCd cuboctahedra; faces with two equivalent Mg(7)Mg11Cd cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Nb(1)Mg10Cd2 cuboctahedra; faces with four equivalent Mg(5)Mg10NbCd cuboctahedra; faces with four equivalent Mg(3)Mg8Nb2Cd2 cuboctahedra; and faces with six equivalent Mg(6)Mg11Nb cuboctahedra. is represented by the CIF file [CIF]
data_Mg14NbCd
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.354
_cell_length_b   6.349
_cell_length_c   10.038
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   119.977
_symmetry_Int_Tables_number   1
_cell_volume   350.775
_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  0.167  0.333  0.625  1.0
  Mg  Mg1  1  0.167  0.834  0.625  1.0
  Mg  Mg2  1  0.666  0.330  0.125  1.0
  Mg  Mg3  1  0.666  0.333  0.625  1.0
  Mg  Mg4  1  0.666  0.836  0.125  1.0
  Mg  Mg5  1  0.666  0.834  0.625  1.0
  Mg  Mg6  1  0.329  0.171  0.369  1.0
  Mg  Mg7  1  0.329  0.171  0.881  1.0
  Mg  Mg8  1  0.329  0.658  0.369  1.0
  Mg  Mg9  1  0.329  0.658  0.881  1.0
  Mg  Mg10  1  0.843  0.171  0.371  1.0
  Mg  Mg11  1  0.843  0.171  0.879  1.0
  Mg  Mg12  1  0.834  0.667  0.373  1.0
  Mg  Mg13  1  0.834  0.667  0.877  1.0
  Nb  Nb14  1  0.165  0.332  0.125  1.0
  Cd  Cd15  1  0.168  0.834  0.125  1.0
[/CIF]
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