The material described by Mg14MoAl crystallizes in the hexagonal P-6m2 space group. There are four inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(4), four equivalent Mg(1), four equivalent Mg(3), and two equivalent Al(1) atoms to form MgMg10Al2 cuboctahedra that share corners with four equivalent Mo(1)Mg12 cuboctahedra, corners with six equivalent Mg(1)Mg10Al2 cuboctahedra, corners with eight equivalent Mg(2)Mg10Mo2 cuboctahedra, edges with two equivalent Al(1)Mg12 cuboctahedra, edges with four equivalent Mg(1)Mg10Al2 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(2)Mg10Mo2 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Al(1)Mg12 cuboctahedra, and faces with four equivalent Mg(1)Mg10Al2 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Mg(4), four equivalent Mg(2), four equivalent Mg(3), and two equivalent Mo(1) atoms to form distorted MgMg10Mo2 cuboctahedra that share corners with four equivalent Al(1)Mg12 cuboctahedra, corners with six equivalent Mg(2)Mg10Mo2 cuboctahedra, corners with eight equivalent Mg(1)Mg10Al2 cuboctahedra, edges with two equivalent Mo(1)Mg12 cuboctahedra, edges with four equivalent Mg(2)Mg10Mo2 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(1)Mg10Al2 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mo(1)Mg12 cuboctahedra, and faces with four equivalent Mg(2)Mg10Mo2 cuboctahedra. In the third Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), four equivalent Mg(3), one Mo(1), and one Al(1) atom. In the fourth Mg site, Mg(4) is bonded to three equivalent Mg(1), three equivalent Mg(2), and six equivalent Mg(3) atoms to form MgMg12 cuboctahedra that share corners with six equivalent Mg(4)Mg12 cuboctahedra, edges with six equivalent Mg(1)Mg10Al2 cuboctahedra, edges with six equivalent Mg(2)Mg10Mo2 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with three equivalent Mg(1)Mg10Al2 cuboctahedra, faces with three equivalent Mg(2)Mg10Mo2 cuboctahedra, faces with three equivalent Mo(1)Mg12 cuboctahedra, and faces with three equivalent Al(1)Mg12 cuboctahedra. Mo(1) is bonded to six equivalent Mg(2) and six equivalent Mg(3) atoms to form MoMg12 cuboctahedra that share corners with six equivalent Mo(1)Mg12 cuboctahedra, corners with twelve equivalent Mg(1)Mg10Al2 cuboctahedra, edges with six equivalent Mg(2)Mg10Mo2 cuboctahedra, faces with two equivalent Al(1)Mg12 cuboctahedra, faces with six equivalent Mg(2)Mg10Mo2 cuboctahedra, and faces with six equivalent Mg(4)Mg12 cuboctahedra. Al(1) is bonded to six equivalent Mg(1) and six equivalent Mg(3) atoms to form AlMg12 cuboctahedra that share corners with six equivalent Al(1)Mg12 cuboctahedra, corners with twelve equivalent Mg(2)Mg10Mo2 cuboctahedra, edges with six equivalent Mg(1)Mg10Al2 cuboctahedra, faces with two equivalent Mo(1)Mg12 cuboctahedra, faces with six equivalent Mg(1)Mg10Al2 cuboctahedra, and faces with six equivalent Mg(4)Mg12 cuboctahedra. is represented by the CIF file [CIF]
data_Mg14AlMo
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.259
_cell_length_b   6.259
_cell_length_c   9.971
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   338.265
_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  0.833  0.125  1.0
  Mg  Mg1  1  0.168  0.834  0.625  1.0
  Mg  Mg2  1  0.667  0.333  0.125  1.0
  Mg  Mg3  1  0.666  0.332  0.625  1.0
  Mg  Mg4  1  0.667  0.833  0.125  1.0
  Mg  Mg5  1  0.666  0.834  0.625  1.0
  Mg  Mg6  1  0.326  0.174  0.379  1.0
  Mg  Mg7  1  0.326  0.174  0.871  1.0
  Mg  Mg8  1  0.326  0.652  0.379  1.0
  Mg  Mg9  1  0.326  0.652  0.871  1.0
  Mg  Mg10  1  0.848  0.174  0.379  1.0
  Mg  Mg11  1  0.848  0.174  0.871  1.0
  Mg  Mg12  1  0.833  0.667  0.376  1.0
  Mg  Mg13  1  0.833  0.667  0.874  1.0
  Al  Al14  1  0.167  0.333  0.125  1.0
  Mo  Mo15  1  0.167  0.333  0.625  1.0
[/CIF]
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The material described by Mg14MoAl crystallizes in the hexagonal P-6m2 space group. There are four inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(4), four equivalent Mg(1), four equivalent Mg(3), and two equivalent Al(1) atoms to form MgMg10Al2 cuboctahedra that share corners with four equivalent Mo(1)Mg12 cuboctahedra, corners with six equivalent Mg(1)Mg10Al2 cuboctahedra, corners with eight equivalent Mg(2)Mg10Mo2 cuboctahedra, edges with two equivalent Al(1)Mg12 cuboctahedra, edges with four equivalent Mg(1)Mg10Al2 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(2)Mg10Mo2 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Al(1)Mg12 cuboctahedra, and faces with four equivalent Mg(1)Mg10Al2 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Mg(4), four equivalent Mg(2), four equivalent Mg(3), and two equivalent Mo(1) atoms to form distorted MgMg10Mo2 cuboctahedra that share corners with four equivalent Al(1)Mg12 cuboctahedra, corners with six equivalent Mg(2)Mg10Mo2 cuboctahedra, corners with eight equivalent Mg(1)Mg10Al2 cuboctahedra, edges with two equivalent Mo(1)Mg12 cuboctahedra, edges with four equivalent Mg(2)Mg10Mo2 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(1)Mg10Al2 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mo(1)Mg12 cuboctahedra, and faces with four equivalent Mg(2)Mg10Mo2 cuboctahedra. In the third Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(4), four equivalent Mg(3), one Mo(1), and one Al(1) atom. In the fourth Mg site, Mg(4) is bonded to three equivalent Mg(1), three equivalent Mg(2), and six equivalent Mg(3) atoms to form MgMg12 cuboctahedra that share corners with six equivalent Mg(4)Mg12 cuboctahedra, edges with six equivalent Mg(1)Mg10Al2 cuboctahedra, edges with six equivalent Mg(2)Mg10Mo2 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with three equivalent Mg(1)Mg10Al2 cuboctahedra, faces with three equivalent Mg(2)Mg10Mo2 cuboctahedra, faces with three equivalent Mo(1)Mg12 cuboctahedra, and faces with three equivalent Al(1)Mg12 cuboctahedra. Mo(1) is bonded to six equivalent Mg(2) and six equivalent Mg(3) atoms to form MoMg12 cuboctahedra that share corners with six equivalent Mo(1)Mg12 cuboctahedra, corners with twelve equivalent Mg(1)Mg10Al2 cuboctahedra, edges with six equivalent Mg(2)Mg10Mo2 cuboctahedra, faces with two equivalent Al(1)Mg12 cuboctahedra, faces with six equivalent Mg(2)Mg10Mo2 cuboctahedra, and faces with six equivalent Mg(4)Mg12 cuboctahedra. Al(1) is bonded to six equivalent Mg(1) and six equivalent Mg(3) atoms to form AlMg12 cuboctahedra that share corners with six equivalent Al(1)Mg12 cuboctahedra, corners with twelve equivalent Mg(2)Mg10Mo2 cuboctahedra, edges with six equivalent Mg(1)Mg10Al2 cuboctahedra, faces with two equivalent Mo(1)Mg12 cuboctahedra, faces with six equivalent Mg(1)Mg10Al2 cuboctahedra, and faces with six equivalent Mg(4)Mg12 cuboctahedra. is represented by the CIF file [CIF]
data_Mg14AlMo
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.259
_cell_length_b   6.259
_cell_length_c   9.971
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   338.265
_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  0.833  0.125  1.0
  Mg  Mg1  1  0.168  0.834  0.625  1.0
  Mg  Mg2  1  0.667  0.333  0.125  1.0
  Mg  Mg3  1  0.666  0.332  0.625  1.0
  Mg  Mg4  1  0.667  0.833  0.125  1.0
  Mg  Mg5  1  0.666  0.834  0.625  1.0
  Mg  Mg6  1  0.326  0.174  0.379  1.0
  Mg  Mg7  1  0.326  0.174  0.871  1.0
  Mg  Mg8  1  0.326  0.652  0.379  1.0
  Mg  Mg9  1  0.326  0.652  0.871  1.0
  Mg  Mg10  1  0.848  0.174  0.379  1.0
  Mg  Mg11  1  0.848  0.174  0.871  1.0
  Mg  Mg12  1  0.833  0.667  0.376  1.0
  Mg  Mg13  1  0.833  0.667  0.874  1.0
  Al  Al14  1  0.167  0.333  0.125  1.0
  Mo  Mo15  1  0.167  0.333  0.625  1.0
[/CIF]
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