The material structure described by CsMg14Al crystallizes in the orthorhombic Amm2 space group. Cs(1) is bonded to two equivalent Mg(7), four equivalent Mg(3), four equivalent Mg(5), and two equivalent Al(1) atoms to form CsMg10Al2 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra, corners with six equivalent Cs(1)Mg10Al2 cuboctahedra, corners with eight equivalent Mg(4)Mg12 cuboctahedra, edges with four equivalent Mg(7)CsMg11 cuboctahedra, faces with two equivalent Mg(7)CsMg11 cuboctahedra, and faces with two equivalent Mg(2)Mg12 cuboctahedra. There are seven inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(2), two equivalent Mg(6), four equivalent Mg(4), and four equivalent Mg(5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Cs(1)Mg10Al2 cuboctahedra, corners with six equivalent Mg(1)Mg12 cuboctahedra, edges with two equivalent Mg(2)Mg12 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, faces with four equivalent Mg(4)Mg12 cuboctahedra, and faces with six equivalent Mg(7)CsMg11 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Mg(1), two equivalent Mg(7), four equivalent Mg(4), and four equivalent Mg(5) atoms to form MgMg12 cuboctahedra that share corners with six equivalent Mg(2)Mg12 cuboctahedra, edges with two equivalent Mg(1)Mg12 cuboctahedra, edges with four equivalent Mg(7)CsMg11 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Cs(1)Mg10Al2 cuboctahedra, faces with two equivalent Mg(7)CsMg11 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, and faces with four equivalent Mg(4)Mg12 cuboctahedra. In the third Mg site, Mg(3) is bonded in a 3-coordinate geometry to two equivalent Cs(1), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one Al(1) atom. 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 distorted MgMg12 cuboctahedra that share corners with four equivalent Cs(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 equivalent Mg(7)CsMg11 cuboctahedra, faces with two equivalent Mg(7)CsMg11 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, and faces with two equivalent Mg(4)Mg12 cuboctahedra. In the fifth Mg site, Mg(5) is bonded in a 11-coordinate geometry to one Cs(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), one Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one Al(1) atom. In the sixth Mg site, Mg(6) is bonded in a 12-coordinate geometry to one Mg(1), two equivalent Mg(3), two equivalent Mg(4), two equivalent Mg(7), four equivalent Mg(5), and one Al(1) atom. In the seventh Mg site, Mg(7) is bonded to one Cs(1), one Mg(2), two equivalent Mg(3), two equivalent Mg(4), two equivalent Mg(6), and four equivalent Mg(5) atoms to form distorted MgCsMg11 cuboctahedra that share corners with six equivalent Mg(7)CsMg11 cuboctahedra, edges with two equivalent Cs(1)Mg10Al2 cuboctahedra, edges with two equivalent Mg(2)Mg12 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra,  a faceface with one Cs(1)Mg10Al2 cuboctahedra,  a faceface with one Mg(2)Mg12 cuboctahedra, faces with two equivalent Mg(7)CsMg11 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, and faces with three equivalent Mg(1)Mg12 cuboctahedra. Al(1) is bonded in a 10-coordinate geometry to two equivalent Cs(1), two equivalent Mg(3), two equivalent Mg(6), and four equivalent Mg(5) atoms. is represented by the CIF file [CIF]
data_CsMg14Al
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.559
_cell_length_b   6.730
_cell_length_c   10.612
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.869
_symmetry_Int_Tables_number   1
_cell_volume   402.068
_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
  Cs  Cs0  1  0.162  0.831  0.125  1.0
  Mg  Mg1  1  0.166  0.333  0.625  1.0
  Mg  Mg2  1  0.171  0.836  0.625  1.0
  Mg  Mg3  1  0.656  0.337  0.125  1.0
  Mg  Mg4  1  0.670  0.329  0.625  1.0
  Mg  Mg5  1  0.656  0.819  0.125  1.0
  Mg  Mg6  1  0.670  0.840  0.625  1.0
  Mg  Mg7  1  0.334  0.182  0.389  1.0
  Mg  Mg8  1  0.334  0.182  0.861  1.0
  Mg  Mg9  1  0.334  0.653  0.389  1.0
  Mg  Mg10  1  0.334  0.653  0.861  1.0
  Mg  Mg11  1  0.836  0.168  0.364  1.0
  Mg  Mg12  1  0.836  0.168  0.886  1.0
  Mg  Mg13  1  0.817  0.659  0.396  1.0
  Mg  Mg14  1  0.817  0.659  0.854  1.0
  Al  Al15  1  0.206  0.353  0.125  1.0
[/CIF]
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The material structure described by CsMg14Al crystallizes in the orthorhombic Amm2 space group. Cs(1) is bonded to two equivalent Mg(7), four equivalent Mg(3), four equivalent Mg(5), and two equivalent Al(1) atoms to form CsMg10Al2 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra, corners with six equivalent Cs(1)Mg10Al2 cuboctahedra, corners with eight equivalent Mg(4)Mg12 cuboctahedra, edges with four equivalent Mg(7)CsMg11 cuboctahedra, faces with two equivalent Mg(7)CsMg11 cuboctahedra, and faces with two equivalent Mg(2)Mg12 cuboctahedra. There are seven inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Mg(2), two equivalent Mg(6), four equivalent Mg(4), and four equivalent Mg(5) atoms to form MgMg12 cuboctahedra that share corners with four equivalent Cs(1)Mg10Al2 cuboctahedra, corners with six equivalent Mg(1)Mg12 cuboctahedra, edges with two equivalent Mg(2)Mg12 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, faces with four equivalent Mg(4)Mg12 cuboctahedra, and faces with six equivalent Mg(7)CsMg11 cuboctahedra. In the second Mg site, Mg(2) is bonded to two equivalent Mg(1), two equivalent Mg(7), four equivalent Mg(4), and four equivalent Mg(5) atoms to form MgMg12 cuboctahedra that share corners with six equivalent Mg(2)Mg12 cuboctahedra, edges with two equivalent Mg(1)Mg12 cuboctahedra, edges with four equivalent Mg(7)CsMg11 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Cs(1)Mg10Al2 cuboctahedra, faces with two equivalent Mg(7)CsMg11 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, and faces with four equivalent Mg(4)Mg12 cuboctahedra. In the third Mg site, Mg(3) is bonded in a 3-coordinate geometry to two equivalent Cs(1), two equivalent Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one Al(1) atom. 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 distorted MgMg12 cuboctahedra that share corners with four equivalent Cs(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 equivalent Mg(7)CsMg11 cuboctahedra, faces with two equivalent Mg(7)CsMg11 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, and faces with two equivalent Mg(4)Mg12 cuboctahedra. In the fifth Mg site, Mg(5) is bonded in a 11-coordinate geometry to one Cs(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), one Mg(5), two equivalent Mg(6), two equivalent Mg(7), and one Al(1) atom. In the sixth Mg site, Mg(6) is bonded in a 12-coordinate geometry to one Mg(1), two equivalent Mg(3), two equivalent Mg(4), two equivalent Mg(7), four equivalent Mg(5), and one Al(1) atom. In the seventh Mg site, Mg(7) is bonded to one Cs(1), one Mg(2), two equivalent Mg(3), two equivalent Mg(4), two equivalent Mg(6), and four equivalent Mg(5) atoms to form distorted MgCsMg11 cuboctahedra that share corners with six equivalent Mg(7)CsMg11 cuboctahedra, edges with two equivalent Cs(1)Mg10Al2 cuboctahedra, edges with two equivalent Mg(2)Mg12 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra,  a faceface with one Cs(1)Mg10Al2 cuboctahedra,  a faceface with one Mg(2)Mg12 cuboctahedra, faces with two equivalent Mg(7)CsMg11 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, and faces with three equivalent Mg(1)Mg12 cuboctahedra. Al(1) is bonded in a 10-coordinate geometry to two equivalent Cs(1), two equivalent Mg(3), two equivalent Mg(6), and four equivalent Mg(5) atoms. is represented by the CIF file [CIF]
data_CsMg14Al
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.559
_cell_length_b   6.730
_cell_length_c   10.612
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.869
_symmetry_Int_Tables_number   1
_cell_volume   402.068
_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
  Cs  Cs0  1  0.162  0.831  0.125  1.0
  Mg  Mg1  1  0.166  0.333  0.625  1.0
  Mg  Mg2  1  0.171  0.836  0.625  1.0
  Mg  Mg3  1  0.656  0.337  0.125  1.0
  Mg  Mg4  1  0.670  0.329  0.625  1.0
  Mg  Mg5  1  0.656  0.819  0.125  1.0
  Mg  Mg6  1  0.670  0.840  0.625  1.0
  Mg  Mg7  1  0.334  0.182  0.389  1.0
  Mg  Mg8  1  0.334  0.182  0.861  1.0
  Mg  Mg9  1  0.334  0.653  0.389  1.0
  Mg  Mg10  1  0.334  0.653  0.861  1.0
  Mg  Mg11  1  0.836  0.168  0.364  1.0
  Mg  Mg12  1  0.836  0.168  0.886  1.0
  Mg  Mg13  1  0.817  0.659  0.396  1.0
  Mg  Mg14  1  0.817  0.659  0.854  1.0
  Al  Al15  1  0.206  0.353  0.125  1.0
[/CIF]
.