The material structure described by Mg14CuSb 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 Mg(5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Sb(1)Mg10Cu2 cuboctahedra; corners with six equivalent Mg(1)Mg12 cuboctahedra; corners with eight equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with four equivalent Mg(6)Mg11Cu cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with eight Mg(5,5)Mg10CuSb cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Cu(1)Mg10Sb2 cuboctahedra; faces with four Mg(5,5)Mg10CuSb cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(7)Mg11Sb 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 Mg(5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Cu(1)Mg10Sb2 cuboctahedra; corners with six equivalent Mg(2)Mg12 cuboctahedra; corners with eight equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with four equivalent Mg(7)Mg11Sb cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with eight Mg(5,5)Mg10CuSb cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Sb(1)Mg10Cu2 cuboctahedra; faces with four Mg(5,5)Mg10CuSb cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(6)Mg11Cu 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 Cu(1), and two equivalent Sb(1) atoms to form distorted MgMg8Cu2Sb2 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)Mg8Cu2Sb2 cuboctahedra; edges with two equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; edges with two equivalent Cu(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Cu2 cuboctahedra; edges with four equivalent Mg(5)Mg10CuSb cuboctahedra; edges with four equivalent Mg(6)Mg11Cu cuboctahedra; edges with four equivalent Mg(7)Mg11Sb cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; faces with two equivalent Cu(1)Mg10Sb2 cuboctahedra; faces with two equivalent Sb(1)Mg10Cu2 cuboctahedra; and faces with eight Mg(5,5)Mg10CuSb 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)Mg8Cu2Sb2 cuboctahedra; corners with four equivalent Cu(1)Mg10Sb2 cuboctahedra; corners with four equivalent Sb(1)Mg10Cu2 cuboctahedra; corners with six Mg(4,4)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)Mg10CuSb cuboctahedra; edges with four equivalent Mg(6)Mg11Cu cuboctahedra; edges with four equivalent Mg(7)Mg11Sb cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb 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)Mg8Cu2Sb2 cuboctahedra; and faces with eight Mg(5,5)Mg10CuSb 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)Mg8Cu2Sb2 cuboctahedra; corners with four equivalent Cu(1)Mg10Sb2 cuboctahedra; corners with four equivalent Sb(1)Mg10Cu2 cuboctahedra; corners with six Mg(4,4)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)Mg10CuSb cuboctahedra; edges with four equivalent Mg(6)Mg11Cu cuboctahedra; edges with four equivalent Mg(7)Mg11Sb cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb 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)Mg8Cu2Sb2 cuboctahedra; and faces with eight Mg(5,5)Mg10CuSb 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 Cu(1), and one Sb(1) atom to form distorted MgMg10CuSb cuboctahedra that share corners with four equivalent Mg(6)Mg11Cu cuboctahedra; corners with four equivalent Mg(7)Mg11Sb cuboctahedra; corners with ten Mg(5,5)Mg10CuSb cuboctahedra; edges with two equivalent Mg(5)Mg10CuSb cuboctahedra; edges with two equivalent Mg(6)Mg11Cu cuboctahedra; edges with two equivalent Mg(7)Mg11Sb 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)Mg8Cu2Sb2 cuboctahedra; edges with two equivalent Cu(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Cu2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Cu(1)Mg10Sb2 cuboctahedra;  a faceface with one Sb(1)Mg10Cu2 cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with four Mg(5,5)Mg10CuSb cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra. In the seventh 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 Cu(1), and one Sb(1) atom to form distorted MgMg10CuSb cuboctahedra that share corners with four equivalent Mg(6)Mg11Cu cuboctahedra; corners with four equivalent Mg(7)Mg11Sb cuboctahedra; corners with ten Mg(5,5)Mg10CuSb cuboctahedra; edges with two equivalent Mg(5)Mg10CuSb cuboctahedra; edges with two equivalent Mg(6)Mg11Cu cuboctahedra; edges with two equivalent Mg(7)Mg11Sb 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)Mg8Cu2Sb2 cuboctahedra; edges with two equivalent Cu(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Cu2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Cu(1)Mg10Sb2 cuboctahedra;  a faceface with one Sb(1)Mg10Cu2 cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with four Mg(5,5)Mg10CuSb cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra. In the eighth Mg site, Mg(6) is bonded to one Mg(1); two equivalent Mg(3); two Mg(4,4); two equivalent Mg(7); four Mg(5,5); and one Cu(1) atom to form distorted MgMg11Cu cuboctahedra that share corners with four equivalent Mg(7)Mg11Sb cuboctahedra; corners with six equivalent Mg(6)Mg11Cu cuboctahedra; corners with eight Mg(5,5)Mg10CuSb cuboctahedra; edges with two equivalent Mg(7)Mg11Sb cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Cu(1)Mg10Sb2 cuboctahedra; edges with four Mg(5,5)Mg10CuSb cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Cu(1)Mg10Sb2 cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; faces with three equivalent Mg(2)Mg12 cuboctahedra; faces with three equivalent Sb(1)Mg10Cu2 cuboctahedra; and faces with four Mg(5,5)Mg10CuSb cuboctahedra. In the ninth Mg site, Mg(7) is bonded to one Mg(2); two equivalent Mg(3); two Mg(4,4); two equivalent Mg(6); four Mg(5,5); and one Sb(1) atom to form distorted MgMg11Sb cuboctahedra that share corners with four equivalent Mg(6)Mg11Cu cuboctahedra; corners with six equivalent Mg(7)Mg11Sb cuboctahedra; corners with eight Mg(5,5)Mg10CuSb cuboctahedra; edges with two equivalent Mg(6)Mg11Cu cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Sb(1)Mg10Cu2 cuboctahedra; edges with four Mg(5,5)Mg10CuSb cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Sb(1)Mg10Cu2 cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; faces with three equivalent Mg(1)Mg12 cuboctahedra; faces with three equivalent Cu(1)Mg10Sb2 cuboctahedra; and faces with four Mg(5,5)Mg10CuSb cuboctahedra. Cu(1) is bonded to two equivalent Mg(6); four equivalent Mg(3); four Mg(5,5); and two equivalent Sb(1) atoms to form CuMg10Sb2 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with six equivalent Cu(1)Mg10Sb2 cuboctahedra; corners with eight Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Sb(1)Mg10Cu2 cuboctahedra; edges with four equivalent Mg(6)Mg11Cu cuboctahedra; edges with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; edges with eight Mg(5,5)Mg10CuSb cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Sb(1)Mg10Cu2 cuboctahedra; faces with four Mg(5,5)Mg10CuSb cuboctahedra; faces with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; and faces with six equivalent Mg(7)Mg11Sb cuboctahedra. Sb(1) is bonded to two equivalent Mg(7); four equivalent Mg(3); four Mg(5,5); and two equivalent Cu(1) atoms to form SbMg10Cu2 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with six equivalent Sb(1)Mg10Cu2 cuboctahedra; corners with eight Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Cu(1)Mg10Sb2 cuboctahedra; edges with four equivalent Mg(7)Mg11Sb cuboctahedra; edges with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; edges with eight Mg(5,5)Mg10CuSb cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Cu(1)Mg10Sb2 cuboctahedra; faces with four Mg(5,5)Mg10CuSb cuboctahedra; faces with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; and faces with six equivalent Mg(6)Mg11Cu cuboctahedra. is represented by the CIF file [CIF]
data_Mg14CuSb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.276
_cell_length_b   6.275
_cell_length_c   10.295
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   119.999
_symmetry_Int_Tables_number   1
_cell_volume   351.133
_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  0.168  0.334  0.625  1.0
  Mg  Mg1  1  0.167  0.834  0.625  1.0
  Mg  Mg2  1  0.668  0.334  0.125  1.0
  Mg  Mg3  1  0.665  0.333  0.625  1.0
  Mg  Mg4  1  0.668  0.834  0.125  1.0
  Mg  Mg5  1  0.665  0.832  0.625  1.0
  Mg  Mg6  1  0.332  0.171  0.371  1.0
  Mg  Mg7  1  0.332  0.171  0.879  1.0
  Mg  Mg8  1  0.332  0.660  0.371  1.0
  Mg  Mg9  1  0.332  0.660  0.879  1.0
  Mg  Mg10  1  0.838  0.169  0.371  1.0
  Mg  Mg11  1  0.838  0.169  0.879  1.0
  Mg  Mg12  1  0.831  0.666  0.378  1.0
  Mg  Mg13  1  0.831  0.666  0.872  1.0
  Cu  Cu14  1  0.166  0.333  0.125  1.0
  Sb  Sb15  1  0.165  0.832  0.125  1.0
[/CIF]
.
The material structure described by Mg14CuSb 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 Mg(5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Sb(1)Mg10Cu2 cuboctahedra; corners with six equivalent Mg(1)Mg12 cuboctahedra; corners with eight equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with four equivalent Mg(6)Mg11Cu cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with eight Mg(5,5)Mg10CuSb cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Cu(1)Mg10Sb2 cuboctahedra; faces with four Mg(5,5)Mg10CuSb cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(7)Mg11Sb 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 Mg(5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Cu(1)Mg10Sb2 cuboctahedra; corners with six equivalent Mg(2)Mg12 cuboctahedra; corners with eight equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with four equivalent Mg(7)Mg11Sb cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with eight Mg(5,5)Mg10CuSb cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Sb(1)Mg10Cu2 cuboctahedra; faces with four Mg(5,5)Mg10CuSb cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(6)Mg11Cu 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 Cu(1), and two equivalent Sb(1) atoms to form distorted MgMg8Cu2Sb2 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)Mg8Cu2Sb2 cuboctahedra; edges with two equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; edges with two equivalent Cu(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Cu2 cuboctahedra; edges with four equivalent Mg(5)Mg10CuSb cuboctahedra; edges with four equivalent Mg(6)Mg11Cu cuboctahedra; edges with four equivalent Mg(7)Mg11Sb cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; faces with two equivalent Cu(1)Mg10Sb2 cuboctahedra; faces with two equivalent Sb(1)Mg10Cu2 cuboctahedra; and faces with eight Mg(5,5)Mg10CuSb 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)Mg8Cu2Sb2 cuboctahedra; corners with four equivalent Cu(1)Mg10Sb2 cuboctahedra; corners with four equivalent Sb(1)Mg10Cu2 cuboctahedra; corners with six Mg(4,4)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)Mg10CuSb cuboctahedra; edges with four equivalent Mg(6)Mg11Cu cuboctahedra; edges with four equivalent Mg(7)Mg11Sb cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb 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)Mg8Cu2Sb2 cuboctahedra; and faces with eight Mg(5,5)Mg10CuSb 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)Mg8Cu2Sb2 cuboctahedra; corners with four equivalent Cu(1)Mg10Sb2 cuboctahedra; corners with four equivalent Sb(1)Mg10Cu2 cuboctahedra; corners with six Mg(4,4)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)Mg10CuSb cuboctahedra; edges with four equivalent Mg(6)Mg11Cu cuboctahedra; edges with four equivalent Mg(7)Mg11Sb cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb 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)Mg8Cu2Sb2 cuboctahedra; and faces with eight Mg(5,5)Mg10CuSb 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 Cu(1), and one Sb(1) atom to form distorted MgMg10CuSb cuboctahedra that share corners with four equivalent Mg(6)Mg11Cu cuboctahedra; corners with four equivalent Mg(7)Mg11Sb cuboctahedra; corners with ten Mg(5,5)Mg10CuSb cuboctahedra; edges with two equivalent Mg(5)Mg10CuSb cuboctahedra; edges with two equivalent Mg(6)Mg11Cu cuboctahedra; edges with two equivalent Mg(7)Mg11Sb 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)Mg8Cu2Sb2 cuboctahedra; edges with two equivalent Cu(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Cu2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Cu(1)Mg10Sb2 cuboctahedra;  a faceface with one Sb(1)Mg10Cu2 cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with four Mg(5,5)Mg10CuSb cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra. In the seventh 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 Cu(1), and one Sb(1) atom to form distorted MgMg10CuSb cuboctahedra that share corners with four equivalent Mg(6)Mg11Cu cuboctahedra; corners with four equivalent Mg(7)Mg11Sb cuboctahedra; corners with ten Mg(5,5)Mg10CuSb cuboctahedra; edges with two equivalent Mg(5)Mg10CuSb cuboctahedra; edges with two equivalent Mg(6)Mg11Cu cuboctahedra; edges with two equivalent Mg(7)Mg11Sb 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)Mg8Cu2Sb2 cuboctahedra; edges with two equivalent Cu(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Cu2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Cu(1)Mg10Sb2 cuboctahedra;  a faceface with one Sb(1)Mg10Cu2 cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with four Mg(5,5)Mg10CuSb cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra. In the eighth Mg site, Mg(6) is bonded to one Mg(1); two equivalent Mg(3); two Mg(4,4); two equivalent Mg(7); four Mg(5,5); and one Cu(1) atom to form distorted MgMg11Cu cuboctahedra that share corners with four equivalent Mg(7)Mg11Sb cuboctahedra; corners with six equivalent Mg(6)Mg11Cu cuboctahedra; corners with eight Mg(5,5)Mg10CuSb cuboctahedra; edges with two equivalent Mg(7)Mg11Sb cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Cu(1)Mg10Sb2 cuboctahedra; edges with four Mg(5,5)Mg10CuSb cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Cu(1)Mg10Sb2 cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; faces with three equivalent Mg(2)Mg12 cuboctahedra; faces with three equivalent Sb(1)Mg10Cu2 cuboctahedra; and faces with four Mg(5,5)Mg10CuSb cuboctahedra. In the ninth Mg site, Mg(7) is bonded to one Mg(2); two equivalent Mg(3); two Mg(4,4); two equivalent Mg(6); four Mg(5,5); and one Sb(1) atom to form distorted MgMg11Sb cuboctahedra that share corners with four equivalent Mg(6)Mg11Cu cuboctahedra; corners with six equivalent Mg(7)Mg11Sb cuboctahedra; corners with eight Mg(5,5)Mg10CuSb cuboctahedra; edges with two equivalent Mg(6)Mg11Cu cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with two equivalent Sb(1)Mg10Cu2 cuboctahedra; edges with four Mg(5,5)Mg10CuSb cuboctahedra; edges with four Mg(4,4)Mg12 cuboctahedra; edges with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Sb(1)Mg10Cu2 cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; faces with three equivalent Mg(1)Mg12 cuboctahedra; faces with three equivalent Cu(1)Mg10Sb2 cuboctahedra; and faces with four Mg(5,5)Mg10CuSb cuboctahedra. Cu(1) is bonded to two equivalent Mg(6); four equivalent Mg(3); four Mg(5,5); and two equivalent Sb(1) atoms to form CuMg10Sb2 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with six equivalent Cu(1)Mg10Sb2 cuboctahedra; corners with eight Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Sb(1)Mg10Cu2 cuboctahedra; edges with four equivalent Mg(6)Mg11Cu cuboctahedra; edges with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; edges with eight Mg(5,5)Mg10CuSb cuboctahedra; faces with two equivalent Mg(6)Mg11Cu cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Sb(1)Mg10Cu2 cuboctahedra; faces with four Mg(5,5)Mg10CuSb cuboctahedra; faces with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; and faces with six equivalent Mg(7)Mg11Sb cuboctahedra. Sb(1) is bonded to two equivalent Mg(7); four equivalent Mg(3); four Mg(5,5); and two equivalent Cu(1) atoms to form SbMg10Cu2 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with six equivalent Sb(1)Mg10Cu2 cuboctahedra; corners with eight Mg(4,4)Mg12 cuboctahedra; edges with two equivalent Cu(1)Mg10Sb2 cuboctahedra; edges with four equivalent Mg(7)Mg11Sb cuboctahedra; edges with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; edges with eight Mg(5,5)Mg10CuSb cuboctahedra; faces with two equivalent Mg(7)Mg11Sb cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Cu(1)Mg10Sb2 cuboctahedra; faces with four Mg(5,5)Mg10CuSb cuboctahedra; faces with four equivalent Mg(3)Mg8Cu2Sb2 cuboctahedra; and faces with six equivalent Mg(6)Mg11Cu cuboctahedra. is represented by the CIF file [CIF]
data_Mg14CuSb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.276
_cell_length_b   6.275
_cell_length_c   10.295
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   119.999
_symmetry_Int_Tables_number   1
_cell_volume   351.133
_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  0.168  0.334  0.625  1.0
  Mg  Mg1  1  0.167  0.834  0.625  1.0
  Mg  Mg2  1  0.668  0.334  0.125  1.0
  Mg  Mg3  1  0.665  0.333  0.625  1.0
  Mg  Mg4  1  0.668  0.834  0.125  1.0
  Mg  Mg5  1  0.665  0.832  0.625  1.0
  Mg  Mg6  1  0.332  0.171  0.371  1.0
  Mg  Mg7  1  0.332  0.171  0.879  1.0
  Mg  Mg8  1  0.332  0.660  0.371  1.0
  Mg  Mg9  1  0.332  0.660  0.879  1.0
  Mg  Mg10  1  0.838  0.169  0.371  1.0
  Mg  Mg11  1  0.838  0.169  0.879  1.0
  Mg  Mg12  1  0.831  0.666  0.378  1.0
  Mg  Mg13  1  0.831  0.666  0.872  1.0
  Cu  Cu14  1  0.166  0.333  0.125  1.0
  Sb  Sb15  1  0.165  0.832  0.125  1.0
[/CIF]
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