The material structure described by Mg14AlSb crystallizes in the orthorhombic Amm2 space group. There are thirteen inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(2); two equivalent Mg(6); four Mg(4,4,4); and four Mg(5,5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Sb(1)Mg10Al2 cuboctahedra; corners with six equivalent Mg(1)Mg12 cuboctahedra; corners with eight Mg(3,3,3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; edges with four Mg(4,4,4)Mg12 cuboctahedra; edges with eight Mg(5,5,5)Mg10AlSb cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Al(1)Mg10Sb2 cuboctahedra; faces with four Mg(5,5,5)Mg10AlSb cuboctahedra; and faces with four Mg(4,4,4)Mg12 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Mg(1); two equivalent Mg(7); four Mg(4,4,4); and four Mg(5,5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Al(1)Mg10Sb2 cuboctahedra; corners with six equivalent Mg(2)Mg12 cuboctahedra; corners with eight Mg(3,3,3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with four Mg(4,4,4)Mg12 cuboctahedra; edges with eight Mg(5,5,5)Mg10AlSb cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Sb(1)Mg10Al2 cuboctahedra; faces with four Mg(5,5,5)Mg10AlSb cuboctahedra; faces with four Mg(4,4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(6)Mg11Al 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 Al(1), and two equivalent Sb(1) atoms to form distorted MgMg8Al2Sb2 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 Mg(3,3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra; edges with four Mg(5,5)Mg10AlSb cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; faces with two equivalent Al(1)Mg10Sb2 cuboctahedra; faces with two equivalent Sb(1)Mg10Al2 cuboctahedra; and faces with eight Mg(5,5)Mg10AlSb 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)Mg8Al2Sb2 cuboctahedra; corners with four equivalent Al(1)Mg10Sb2 cuboctahedra; corners with four equivalent Sb(1)Mg10Al2 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)Mg10AlSb cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(6)Mg11Al 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)Mg8Al2Sb2 cuboctahedra; and faces with eight Mg(5,5)Mg10AlSb cuboctahedra. In the fifth Mg site, Mg(3) is bonded to two equivalent Mg(3); two Mg(5,5); two equivalent Mg(6); two equivalent Mg(7); two equivalent Al(1); and two equivalent Sb(1) atoms to form distorted MgMg8Al2Sb2 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 Mg(3,3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra; edges with four equivalent Mg(5)Mg10AlSb cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; faces with two equivalent Al(1)Mg10Sb2 cuboctahedra; faces with two equivalent Sb(1)Mg10Al2 cuboctahedra; and faces with eight Mg(5,5,5)Mg10AlSb cuboctahedra. In the sixth Mg site, Mg(4) is bonded to two equivalent Mg(1); two equivalent Mg(2); two equivalent Mg(4); two Mg(5,5); two equivalent Mg(6); and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; corners with four equivalent Al(1)Mg10Sb2 cuboctahedra; corners with four equivalent Sb(1)Mg10Al2 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)Mg10AlSb cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(6)Mg11Al 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)Mg8Al2Sb2 cuboctahedra; and faces with eight Mg(5,5,5)Mg10AlSb 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 Al(1), and one Sb(1) atom to form distorted MgMg10AlSb cuboctahedra that share corners with four equivalent Mg(6)Mg11Al cuboctahedra; corners with ten Mg(5,5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(6)Mg11Al 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)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Al(1)Mg10Sb2 cuboctahedra;  a faceface with one Sb(1)Mg10Al2 cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with four Mg(5,5)Mg10AlSb cuboctahedra; faces with four Mg(4,4,4)Mg12 cuboctahedra; and faces with four Mg(3,3,3)Mg8Al2Sb2 cuboctahedra. In the eighth 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 Al(1), and one Sb(1) atom to form distorted MgMg10AlSb cuboctahedra that share corners with four equivalent Mg(6)Mg11Al cuboctahedra; corners with ten Mg(5,5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(6)Mg11Al 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)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Al(1)Mg10Sb2 cuboctahedra;  a faceface with one Sb(1)Mg10Al2 cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with four equivalent Mg(5)Mg10AlSb cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with four Mg(3,3)Mg8Al2Sb2 cuboctahedra. In the ninth Mg site, Mg(6) is bonded to one Mg(1); two Mg(3,3); two Mg(4,4); two equivalent Mg(7); four Mg(5,5); and one Al(1) atom to form distorted MgMg11Al cuboctahedra that share corners with six equivalent Mg(6)Mg11Al cuboctahedra; corners with eight Mg(5,5,5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with four Mg(5,5)Mg10AlSb cuboctahedra; edges with four Mg(4,4,4)Mg12 cuboctahedra; edges with four Mg(3,3,3)Mg8Al2Sb2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Al(1)Mg10Sb2 cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with two Mg(3,3)Mg8Al2Sb2 cuboctahedra; faces with three equivalent Mg(2)Mg12 cuboctahedra; faces with three equivalent Sb(1)Mg10Al2 cuboctahedra; and faces with four Mg(5,5)Mg10AlSb cuboctahedra. In the tenth Mg site, Mg(7) is bonded in a distorted single-bond geometry to one Mg(2); two Mg(3,3); two Mg(4,4); two equivalent Mg(6); four Mg(5,5); and one Sb(1) atom. In the eleventh 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 Al(1), and two equivalent Sb(1) atoms to form distorted MgMg8Al2Sb2 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 Mg(3,3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra; edges with four Mg(5,5)Mg10AlSb cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; faces with two equivalent Al(1)Mg10Sb2 cuboctahedra; faces with two equivalent Sb(1)Mg10Al2 cuboctahedra; and faces with eight Mg(5,5,5)Mg10AlSb cuboctahedra. In the twelfth 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)Mg8Al2Sb2 cuboctahedra; corners with four equivalent Al(1)Mg10Sb2 cuboctahedra; corners with four equivalent Sb(1)Mg10Al2 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)Mg10AlSb cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(6)Mg11Al 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)Mg8Al2Sb2 cuboctahedra; and faces with eight Mg(5,5,5)Mg10AlSb cuboctahedra. In the thirteenth 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 Al(1), and one Sb(1) atom to form distorted MgMg10AlSb cuboctahedra that share corners with four equivalent Mg(6)Mg11Al cuboctahedra; corners with ten Mg(5,5,5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(6)Mg11Al 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)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Al(1)Mg10Sb2 cuboctahedra;  a faceface with one Sb(1)Mg10Al2 cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with four equivalent Mg(5)Mg10AlSb cuboctahedra; faces with four Mg(4,4,4)Mg12 cuboctahedra; and faces with four Mg(3,3)Mg8Al2Sb2 cuboctahedra. Al(1) is bonded to two equivalent Mg(6); four Mg(3,3,3); four Mg(5,5,5); and two equivalent Sb(1) atoms to form AlMg10Sb2 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with six equivalent Al(1)Mg10Sb2 cuboctahedra; corners with eight Mg(4,4,4)Mg12 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; edges with four Mg(3,3,3)Mg8Al2Sb2 cuboctahedra; edges with eight Mg(5,5,5)Mg10AlSb cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Sb(1)Mg10Al2 cuboctahedra; faces with four Mg(5,5,5)Mg10AlSb cuboctahedra; and faces with four Mg(3,3,3)Mg8Al2Sb2 cuboctahedra. Sb(1) is bonded to two equivalent Mg(7); four Mg(3,3,3); four Mg(5,5,5); and two equivalent Al(1) atoms to form SbMg10Al2 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with six equivalent Sb(1)Mg10Al2 cuboctahedra; corners with eight Mg(4,4,4)Mg12 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with four Mg(3,3,3)Mg8Al2Sb2 cuboctahedra; edges with eight Mg(5,5,5)Mg10AlSb cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Al(1)Mg10Sb2 cuboctahedra; faces with four Mg(5,5,5)Mg10AlSb cuboctahedra; faces with four Mg(3,3,3)Mg8Al2Sb2 cuboctahedra; and faces with six equivalent Mg(6)Mg11Al cuboctahedra. is represented by the CIF card [CIF]
data_Mg14AlSb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.342
_cell_length_b   6.446
_cell_length_c   10.293
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.544
_symmetry_Int_Tables_number   1
_cell_volume   362.390
_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  0.333  0.125  1.0
  Mg  Mg3  1  0.666  0.334  0.625  1.0
  Mg  Mg4  1  0.668  0.835  0.125  1.0
  Mg  Mg5  1  0.666  0.833  0.625  1.0
  Mg  Mg6  1  0.333  0.170  0.374  1.0
  Mg  Mg7  1  0.333  0.170  0.876  1.0
  Mg  Mg8  1  0.333  0.663  0.374  1.0
  Mg  Mg9  1  0.333  0.663  0.876  1.0
  Mg  Mg10  1  0.836  0.168  0.373  1.0
  Mg  Mg11  1  0.836  0.168  0.877  1.0
  Mg  Mg12  1  0.832  0.666  0.377  1.0
  Mg  Mg13  1  0.832  0.666  0.873  1.0
  Al  Al14  1  0.163  0.332  0.125  1.0
  Sb  Sb15  1  0.165  0.833  0.125  1.0
[/CIF]
.
The material structure described by Mg14AlSb crystallizes in the orthorhombic Amm2 space group. There are thirteen inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(2); two equivalent Mg(6); four Mg(4,4,4); and four Mg(5,5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Sb(1)Mg10Al2 cuboctahedra; corners with six equivalent Mg(1)Mg12 cuboctahedra; corners with eight Mg(3,3,3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Mg(2)Mg12 cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; edges with four Mg(4,4,4)Mg12 cuboctahedra; edges with eight Mg(5,5,5)Mg10AlSb cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Al(1)Mg10Sb2 cuboctahedra; faces with four Mg(5,5,5)Mg10AlSb cuboctahedra; and faces with four Mg(4,4,4)Mg12 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Mg(1); two equivalent Mg(7); four Mg(4,4,4); and four Mg(5,5,5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Al(1)Mg10Sb2 cuboctahedra; corners with six equivalent Mg(2)Mg12 cuboctahedra; corners with eight Mg(3,3,3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with four Mg(4,4,4)Mg12 cuboctahedra; edges with eight Mg(5,5,5)Mg10AlSb cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Sb(1)Mg10Al2 cuboctahedra; faces with four Mg(5,5,5)Mg10AlSb cuboctahedra; faces with four Mg(4,4,4)Mg12 cuboctahedra; and faces with six equivalent Mg(6)Mg11Al 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 Al(1), and two equivalent Sb(1) atoms to form distorted MgMg8Al2Sb2 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 Mg(3,3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra; edges with four Mg(5,5)Mg10AlSb cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; faces with two equivalent Al(1)Mg10Sb2 cuboctahedra; faces with two equivalent Sb(1)Mg10Al2 cuboctahedra; and faces with eight Mg(5,5)Mg10AlSb 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)Mg8Al2Sb2 cuboctahedra; corners with four equivalent Al(1)Mg10Sb2 cuboctahedra; corners with four equivalent Sb(1)Mg10Al2 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)Mg10AlSb cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(6)Mg11Al 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)Mg8Al2Sb2 cuboctahedra; and faces with eight Mg(5,5)Mg10AlSb cuboctahedra. In the fifth Mg site, Mg(3) is bonded to two equivalent Mg(3); two Mg(5,5); two equivalent Mg(6); two equivalent Mg(7); two equivalent Al(1); and two equivalent Sb(1) atoms to form distorted MgMg8Al2Sb2 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 Mg(3,3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra; edges with four equivalent Mg(5)Mg10AlSb cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; faces with two equivalent Al(1)Mg10Sb2 cuboctahedra; faces with two equivalent Sb(1)Mg10Al2 cuboctahedra; and faces with eight Mg(5,5,5)Mg10AlSb cuboctahedra. In the sixth Mg site, Mg(4) is bonded to two equivalent Mg(1); two equivalent Mg(2); two equivalent Mg(4); two Mg(5,5); two equivalent Mg(6); and two equivalent Mg(7) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; corners with four equivalent Al(1)Mg10Sb2 cuboctahedra; corners with four equivalent Sb(1)Mg10Al2 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)Mg10AlSb cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(6)Mg11Al 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)Mg8Al2Sb2 cuboctahedra; and faces with eight Mg(5,5,5)Mg10AlSb 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 Al(1), and one Sb(1) atom to form distorted MgMg10AlSb cuboctahedra that share corners with four equivalent Mg(6)Mg11Al cuboctahedra; corners with ten Mg(5,5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(6)Mg11Al 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)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Al(1)Mg10Sb2 cuboctahedra;  a faceface with one Sb(1)Mg10Al2 cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with four Mg(5,5)Mg10AlSb cuboctahedra; faces with four Mg(4,4,4)Mg12 cuboctahedra; and faces with four Mg(3,3,3)Mg8Al2Sb2 cuboctahedra. In the eighth 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 Al(1), and one Sb(1) atom to form distorted MgMg10AlSb cuboctahedra that share corners with four equivalent Mg(6)Mg11Al cuboctahedra; corners with ten Mg(5,5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(6)Mg11Al 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)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Al(1)Mg10Sb2 cuboctahedra;  a faceface with one Sb(1)Mg10Al2 cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with four equivalent Mg(5)Mg10AlSb cuboctahedra; faces with four Mg(4,4)Mg12 cuboctahedra; and faces with four Mg(3,3)Mg8Al2Sb2 cuboctahedra. In the ninth Mg site, Mg(6) is bonded to one Mg(1); two Mg(3,3); two Mg(4,4); two equivalent Mg(7); four Mg(5,5); and one Al(1) atom to form distorted MgMg11Al cuboctahedra that share corners with six equivalent Mg(6)Mg11Al cuboctahedra; corners with eight Mg(5,5,5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(1)Mg12 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with four Mg(5,5)Mg10AlSb cuboctahedra; edges with four Mg(4,4,4)Mg12 cuboctahedra; edges with four Mg(3,3,3)Mg8Al2Sb2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Al(1)Mg10Sb2 cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with two Mg(4,4)Mg12 cuboctahedra; faces with two Mg(3,3)Mg8Al2Sb2 cuboctahedra; faces with three equivalent Mg(2)Mg12 cuboctahedra; faces with three equivalent Sb(1)Mg10Al2 cuboctahedra; and faces with four Mg(5,5)Mg10AlSb cuboctahedra. In the tenth Mg site, Mg(7) is bonded in a distorted single-bond geometry to one Mg(2); two Mg(3,3); two Mg(4,4); two equivalent Mg(6); four Mg(5,5); and one Sb(1) atom. In the eleventh 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 Al(1), and two equivalent Sb(1) atoms to form distorted MgMg8Al2Sb2 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 Mg(3,3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra; edges with four Mg(5,5)Mg10AlSb cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(4)Mg12 cuboctahedra; faces with two equivalent Mg(3)Mg8Al2Sb2 cuboctahedra; faces with two equivalent Al(1)Mg10Sb2 cuboctahedra; faces with two equivalent Sb(1)Mg10Al2 cuboctahedra; and faces with eight Mg(5,5,5)Mg10AlSb cuboctahedra. In the twelfth 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)Mg8Al2Sb2 cuboctahedra; corners with four equivalent Al(1)Mg10Sb2 cuboctahedra; corners with four equivalent Sb(1)Mg10Al2 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)Mg10AlSb cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(6)Mg11Al 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)Mg8Al2Sb2 cuboctahedra; and faces with eight Mg(5,5,5)Mg10AlSb cuboctahedra. In the thirteenth 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 Al(1), and one Sb(1) atom to form distorted MgMg10AlSb cuboctahedra that share corners with four equivalent Mg(6)Mg11Al cuboctahedra; corners with ten Mg(5,5,5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(5)Mg10AlSb cuboctahedra; edges with two equivalent Mg(6)Mg11Al 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)Mg8Al2Sb2 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra;  a faceface with one Mg(1)Mg12 cuboctahedra;  a faceface with one Mg(2)Mg12 cuboctahedra;  a faceface with one Al(1)Mg10Sb2 cuboctahedra;  a faceface with one Sb(1)Mg10Al2 cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with four equivalent Mg(5)Mg10AlSb cuboctahedra; faces with four Mg(4,4,4)Mg12 cuboctahedra; and faces with four Mg(3,3)Mg8Al2Sb2 cuboctahedra. Al(1) is bonded to two equivalent Mg(6); four Mg(3,3,3); four Mg(5,5,5); and two equivalent Sb(1) atoms to form AlMg10Sb2 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra; corners with six equivalent Al(1)Mg10Sb2 cuboctahedra; corners with eight Mg(4,4,4)Mg12 cuboctahedra; edges with two equivalent Sb(1)Mg10Al2 cuboctahedra; edges with four equivalent Mg(6)Mg11Al cuboctahedra; edges with four Mg(3,3,3)Mg8Al2Sb2 cuboctahedra; edges with eight Mg(5,5,5)Mg10AlSb cuboctahedra; faces with two equivalent Mg(6)Mg11Al cuboctahedra; faces with two equivalent Mg(1)Mg12 cuboctahedra; faces with two equivalent Sb(1)Mg10Al2 cuboctahedra; faces with four Mg(5,5,5)Mg10AlSb cuboctahedra; and faces with four Mg(3,3,3)Mg8Al2Sb2 cuboctahedra. Sb(1) is bonded to two equivalent Mg(7); four Mg(3,3,3); four Mg(5,5,5); and two equivalent Al(1) atoms to form SbMg10Al2 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra; corners with six equivalent Sb(1)Mg10Al2 cuboctahedra; corners with eight Mg(4,4,4)Mg12 cuboctahedra; edges with two equivalent Al(1)Mg10Sb2 cuboctahedra; edges with four Mg(3,3,3)Mg8Al2Sb2 cuboctahedra; edges with eight Mg(5,5,5)Mg10AlSb cuboctahedra; faces with two equivalent Mg(2)Mg12 cuboctahedra; faces with two equivalent Al(1)Mg10Sb2 cuboctahedra; faces with four Mg(5,5,5)Mg10AlSb cuboctahedra; faces with four Mg(3,3,3)Mg8Al2Sb2 cuboctahedra; and faces with six equivalent Mg(6)Mg11Al cuboctahedra. is represented by the CIF card [CIF]
data_Mg14AlSb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.342
_cell_length_b   6.446
_cell_length_c   10.293
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.544
_symmetry_Int_Tables_number   1
_cell_volume   362.390
_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  0.333  0.125  1.0
  Mg  Mg3  1  0.666  0.334  0.625  1.0
  Mg  Mg4  1  0.668  0.835  0.125  1.0
  Mg  Mg5  1  0.666  0.833  0.625  1.0
  Mg  Mg6  1  0.333  0.170  0.374  1.0
  Mg  Mg7  1  0.333  0.170  0.876  1.0
  Mg  Mg8  1  0.333  0.663  0.374  1.0
  Mg  Mg9  1  0.333  0.663  0.876  1.0
  Mg  Mg10  1  0.836  0.168  0.373  1.0
  Mg  Mg11  1  0.836  0.168  0.877  1.0
  Mg  Mg12  1  0.832  0.666  0.377  1.0
  Mg  Mg13  1  0.832  0.666  0.873  1.0
  Al  Al14  1  0.163  0.332  0.125  1.0
  Sb  Sb15  1  0.165  0.833  0.125  1.0
[/CIF]
.