The structure described by NaCaMg14 crystallizes in the orthorhombic Amm2 space group. Na(1) is bonded to two equivalent Ca(1), two equivalent Mg(7), four equivalent Mg(3), and four equivalent Mg(5) atoms to form NaCa2Mg10 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra, corners with six equivalent Na(1)Ca2Mg10 cuboctahedra, corners with eight equivalent Mg(4)Mg12 cuboctahedra, edges with two equivalent Ca(1)Na2Mg10 cuboctahedra, edges with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with four equivalent Mg(7)NaMg11 cuboctahedra, edges with eight equivalent Mg(5)NaCaMg10 cuboctahedra, faces with two equivalent Ca(1)Na2Mg10 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, faces with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, faces with four equivalent Mg(5)NaCaMg10 cuboctahedra, and faces with six equivalent Mg(6)CaMg11 cuboctahedra. Ca(1) is bonded to two equivalent Na(1), two equivalent Mg(6), four equivalent Mg(3), and four equivalent Mg(5) atoms to form CaNa2Mg10 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra, corners with six equivalent Ca(1)Na2Mg10 cuboctahedra, corners with eight equivalent Mg(4)Mg12 cuboctahedra, edges with two equivalent Na(1)Ca2Mg10 cuboctahedra, edges with four equivalent Mg(6)CaMg11 cuboctahedra, edges with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with eight equivalent Mg(5)NaCaMg10 cuboctahedra, faces with two equivalent Na(1)Ca2Mg10 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, faces with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, faces with four equivalent Mg(5)NaCaMg10 cuboctahedra, and faces with six equivalent Mg(7)NaMg11 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 Na(1)Ca2Mg10 cuboctahedra, corners with six equivalent Mg(1)Mg12 cuboctahedra, corners with eight equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with two equivalent Mg(2)Mg12 cuboctahedra, edges with four equivalent Mg(6)CaMg11 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, edges with eight equivalent Mg(5)NaCaMg10 cuboctahedra, faces with two equivalent Ca(1)Na2Mg10 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, faces with four equivalent Mg(4)Mg12 cuboctahedra, faces with four equivalent Mg(5)NaCaMg10 cuboctahedra, and faces with six equivalent Mg(7)NaMg11 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 four equivalent Ca(1)Na2Mg10 cuboctahedra, corners with six equivalent Mg(2)Mg12 cuboctahedra, corners with eight equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with two equivalent Mg(1)Mg12 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, edges with four equivalent Mg(7)NaMg11 cuboctahedra, edges with eight equivalent Mg(5)NaCaMg10 cuboctahedra, faces with two equivalent Na(1)Ca2Mg10 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, faces with four equivalent Mg(4)Mg12 cuboctahedra, faces with four equivalent Mg(5)NaCaMg10 cuboctahedra, and faces with six equivalent Mg(6)CaMg11 cuboctahedra. In the third Mg site, Mg(3) is bonded to two equivalent Na(1), two equivalent Ca(1), two equivalent Mg(3), two equivalent Mg(5), two equivalent Mg(6), and two equivalent Mg(7) atoms to form distorted MgNa2Ca2Mg8 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)Na2Ca2Mg8 cuboctahedra, edges with two equivalent Na(1)Ca2Mg10 cuboctahedra, edges with two equivalent Ca(1)Na2Mg10 cuboctahedra, edges with two equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with four equivalent Mg(6)CaMg11 cuboctahedra, edges with four equivalent Mg(5)NaCaMg10 cuboctahedra, edges with four equivalent Mg(7)NaMg11 cuboctahedra, faces with two equivalent Na(1)Ca2Mg10 cuboctahedra, faces with two equivalent Ca(1)Na2Mg10 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, and faces with eight equivalent Mg(5)NaCaMg10 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 Na(1)Ca2Mg10 cuboctahedra, corners with four equivalent Ca(1)Na2Mg10 cuboctahedra, corners with four equivalent Mg(3)Na2Ca2Mg8 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(6)CaMg11 cuboctahedra, edges with four equivalent Mg(5)NaCaMg10 cuboctahedra, edges with four equivalent Mg(7)NaMg11 cuboctahedra, faces with two equivalent Mg(6)CaMg11 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)Na2Ca2Mg8 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, and faces with eight equivalent Mg(5)NaCaMg10 cuboctahedra. In the fifth Mg site, Mg(5) is bonded to one Na(1), one Ca(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), and two equivalent Mg(7) atoms to form distorted MgNaCaMg10 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra, corners with four equivalent Mg(7)NaMg11 cuboctahedra, corners with ten equivalent Mg(5)NaCaMg10 cuboctahedra, edges with two equivalent Na(1)Ca2Mg10 cuboctahedra, edges with two equivalent Ca(1)Na2Mg10 cuboctahedra, edges with two equivalent Mg(6)CaMg11 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)Na2Ca2Mg8 cuboctahedra, edges with two equivalent Mg(5)NaCaMg10 cuboctahedra, edges with two equivalent Mg(7)NaMg11 cuboctahedra,  a faceface with one Na(1)Ca2Mg10 cuboctahedra,  a faceface with one Ca(1)Na2Mg10 cuboctahedra,  a faceface with one Mg(1)Mg12 cuboctahedra,  a faceface with one Mg(2)Mg12 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, faces with four equivalent Mg(4)Mg12 cuboctahedra, faces with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, and faces with four equivalent Mg(5)NaCaMg10 cuboctahedra. In the sixth Mg site, Mg(6) is bonded to one Ca(1), one Mg(1), two equivalent Mg(3), two equivalent Mg(4), two equivalent Mg(7), and four equivalent Mg(5) atoms to form distorted MgCaMg11 cuboctahedra that share corners with four equivalent Mg(7)NaMg11 cuboctahedra, corners with six equivalent Mg(6)CaMg11 cuboctahedra, corners with eight equivalent Mg(5)NaCaMg10 cuboctahedra, edges with two equivalent Ca(1)Na2Mg10 cuboctahedra, edges with two equivalent Mg(1)Mg12 cuboctahedra, edges with two equivalent Mg(7)NaMg11 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, edges with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with four equivalent Mg(5)NaCaMg10 cuboctahedra,  a faceface with one Ca(1)Na2Mg10 cuboctahedra,  a faceface with one Mg(1)Mg12 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, faces with three equivalent Na(1)Ca2Mg10 cuboctahedra, faces with three equivalent Mg(2)Mg12 cuboctahedra, and faces with four equivalent Mg(5)NaCaMg10 cuboctahedra. In the seventh Mg site, Mg(7) is bonded to one Na(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 MgNaMg11 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra, corners with six equivalent Mg(7)NaMg11 cuboctahedra, corners with eight equivalent Mg(5)NaCaMg10 cuboctahedra, edges with two equivalent Na(1)Ca2Mg10 cuboctahedra, edges with two equivalent Mg(6)CaMg11 cuboctahedra, edges with two equivalent Mg(2)Mg12 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, edges with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with four equivalent Mg(5)NaCaMg10 cuboctahedra,  a faceface with one Na(1)Ca2Mg10 cuboctahedra,  a faceface with one Mg(2)Mg12 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, faces with three equivalent Ca(1)Na2Mg10 cuboctahedra, faces with three equivalent Mg(1)Mg12 cuboctahedra, and faces with four equivalent Mg(5)NaCaMg10 cuboctahedra. is represented by the CIF file [CIF]
data_NaCaMg14
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.572
_cell_length_b   6.551
_cell_length_c   10.534
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   119.893
_symmetry_Int_Tables_number   1
_cell_volume   393.152
_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
  Na  Na0  1  0.169  0.835  0.125  1.0
  Ca  Ca1  1  0.168  0.334  0.125  1.0
  Mg  Mg2  1  0.167  0.333  0.625  1.0
  Mg  Mg3  1  0.168  0.834  0.625  1.0
  Mg  Mg4  1  0.663  0.328  0.125  1.0
  Mg  Mg5  1  0.666  0.333  0.625  1.0
  Mg  Mg6  1  0.663  0.835  0.125  1.0
  Mg  Mg7  1  0.666  0.833  0.625  1.0
  Mg  Mg8  1  0.339  0.169  0.387  1.0
  Mg  Mg9  1  0.339  0.169  0.863  1.0
  Mg  Mg10  1  0.339  0.670  0.387  1.0
  Mg  Mg11  1  0.339  0.670  0.863  1.0
  Mg  Mg12  1  0.828  0.164  0.381  1.0
  Mg  Mg13  1  0.828  0.164  0.869  1.0
  Mg  Mg14  1  0.829  0.664  0.376  1.0
  Mg  Mg15  1  0.829  0.664  0.874  1.0
[/CIF]
.
The structure described by NaCaMg14 crystallizes in the orthorhombic Amm2 space group. Na(1) is bonded to two equivalent Ca(1), two equivalent Mg(7), four equivalent Mg(3), and four equivalent Mg(5) atoms to form NaCa2Mg10 cuboctahedra that share corners with four equivalent Mg(1)Mg12 cuboctahedra, corners with six equivalent Na(1)Ca2Mg10 cuboctahedra, corners with eight equivalent Mg(4)Mg12 cuboctahedra, edges with two equivalent Ca(1)Na2Mg10 cuboctahedra, edges with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with four equivalent Mg(7)NaMg11 cuboctahedra, edges with eight equivalent Mg(5)NaCaMg10 cuboctahedra, faces with two equivalent Ca(1)Na2Mg10 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, faces with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, faces with four equivalent Mg(5)NaCaMg10 cuboctahedra, and faces with six equivalent Mg(6)CaMg11 cuboctahedra. Ca(1) is bonded to two equivalent Na(1), two equivalent Mg(6), four equivalent Mg(3), and four equivalent Mg(5) atoms to form CaNa2Mg10 cuboctahedra that share corners with four equivalent Mg(2)Mg12 cuboctahedra, corners with six equivalent Ca(1)Na2Mg10 cuboctahedra, corners with eight equivalent Mg(4)Mg12 cuboctahedra, edges with two equivalent Na(1)Ca2Mg10 cuboctahedra, edges with four equivalent Mg(6)CaMg11 cuboctahedra, edges with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with eight equivalent Mg(5)NaCaMg10 cuboctahedra, faces with two equivalent Na(1)Ca2Mg10 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, faces with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, faces with four equivalent Mg(5)NaCaMg10 cuboctahedra, and faces with six equivalent Mg(7)NaMg11 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 Na(1)Ca2Mg10 cuboctahedra, corners with six equivalent Mg(1)Mg12 cuboctahedra, corners with eight equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with two equivalent Mg(2)Mg12 cuboctahedra, edges with four equivalent Mg(6)CaMg11 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, edges with eight equivalent Mg(5)NaCaMg10 cuboctahedra, faces with two equivalent Ca(1)Na2Mg10 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(2)Mg12 cuboctahedra, faces with four equivalent Mg(4)Mg12 cuboctahedra, faces with four equivalent Mg(5)NaCaMg10 cuboctahedra, and faces with six equivalent Mg(7)NaMg11 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 four equivalent Ca(1)Na2Mg10 cuboctahedra, corners with six equivalent Mg(2)Mg12 cuboctahedra, corners with eight equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with two equivalent Mg(1)Mg12 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, edges with four equivalent Mg(7)NaMg11 cuboctahedra, edges with eight equivalent Mg(5)NaCaMg10 cuboctahedra, faces with two equivalent Na(1)Ca2Mg10 cuboctahedra, faces with two equivalent Mg(1)Mg12 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, faces with four equivalent Mg(4)Mg12 cuboctahedra, faces with four equivalent Mg(5)NaCaMg10 cuboctahedra, and faces with six equivalent Mg(6)CaMg11 cuboctahedra. In the third Mg site, Mg(3) is bonded to two equivalent Na(1), two equivalent Ca(1), two equivalent Mg(3), two equivalent Mg(5), two equivalent Mg(6), and two equivalent Mg(7) atoms to form distorted MgNa2Ca2Mg8 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)Na2Ca2Mg8 cuboctahedra, edges with two equivalent Na(1)Ca2Mg10 cuboctahedra, edges with two equivalent Ca(1)Na2Mg10 cuboctahedra, edges with two equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with four equivalent Mg(6)CaMg11 cuboctahedra, edges with four equivalent Mg(5)NaCaMg10 cuboctahedra, edges with four equivalent Mg(7)NaMg11 cuboctahedra, faces with two equivalent Na(1)Ca2Mg10 cuboctahedra, faces with two equivalent Ca(1)Na2Mg10 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, and faces with eight equivalent Mg(5)NaCaMg10 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 Na(1)Ca2Mg10 cuboctahedra, corners with four equivalent Ca(1)Na2Mg10 cuboctahedra, corners with four equivalent Mg(3)Na2Ca2Mg8 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(6)CaMg11 cuboctahedra, edges with four equivalent Mg(5)NaCaMg10 cuboctahedra, edges with four equivalent Mg(7)NaMg11 cuboctahedra, faces with two equivalent Mg(6)CaMg11 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)Na2Ca2Mg8 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, and faces with eight equivalent Mg(5)NaCaMg10 cuboctahedra. In the fifth Mg site, Mg(5) is bonded to one Na(1), one Ca(1), one Mg(1), one Mg(2), one Mg(3), one Mg(4), two equivalent Mg(5), two equivalent Mg(6), and two equivalent Mg(7) atoms to form distorted MgNaCaMg10 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra, corners with four equivalent Mg(7)NaMg11 cuboctahedra, corners with ten equivalent Mg(5)NaCaMg10 cuboctahedra, edges with two equivalent Na(1)Ca2Mg10 cuboctahedra, edges with two equivalent Ca(1)Na2Mg10 cuboctahedra, edges with two equivalent Mg(6)CaMg11 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)Na2Ca2Mg8 cuboctahedra, edges with two equivalent Mg(5)NaCaMg10 cuboctahedra, edges with two equivalent Mg(7)NaMg11 cuboctahedra,  a faceface with one Na(1)Ca2Mg10 cuboctahedra,  a faceface with one Ca(1)Na2Mg10 cuboctahedra,  a faceface with one Mg(1)Mg12 cuboctahedra,  a faceface with one Mg(2)Mg12 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, faces with four equivalent Mg(4)Mg12 cuboctahedra, faces with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, and faces with four equivalent Mg(5)NaCaMg10 cuboctahedra. In the sixth Mg site, Mg(6) is bonded to one Ca(1), one Mg(1), two equivalent Mg(3), two equivalent Mg(4), two equivalent Mg(7), and four equivalent Mg(5) atoms to form distorted MgCaMg11 cuboctahedra that share corners with four equivalent Mg(7)NaMg11 cuboctahedra, corners with six equivalent Mg(6)CaMg11 cuboctahedra, corners with eight equivalent Mg(5)NaCaMg10 cuboctahedra, edges with two equivalent Ca(1)Na2Mg10 cuboctahedra, edges with two equivalent Mg(1)Mg12 cuboctahedra, edges with two equivalent Mg(7)NaMg11 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, edges with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with four equivalent Mg(5)NaCaMg10 cuboctahedra,  a faceface with one Ca(1)Na2Mg10 cuboctahedra,  a faceface with one Mg(1)Mg12 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, faces with three equivalent Na(1)Ca2Mg10 cuboctahedra, faces with three equivalent Mg(2)Mg12 cuboctahedra, and faces with four equivalent Mg(5)NaCaMg10 cuboctahedra. In the seventh Mg site, Mg(7) is bonded to one Na(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 MgNaMg11 cuboctahedra that share corners with four equivalent Mg(6)CaMg11 cuboctahedra, corners with six equivalent Mg(7)NaMg11 cuboctahedra, corners with eight equivalent Mg(5)NaCaMg10 cuboctahedra, edges with two equivalent Na(1)Ca2Mg10 cuboctahedra, edges with two equivalent Mg(6)CaMg11 cuboctahedra, edges with two equivalent Mg(2)Mg12 cuboctahedra, edges with four equivalent Mg(4)Mg12 cuboctahedra, edges with four equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, edges with four equivalent Mg(5)NaCaMg10 cuboctahedra,  a faceface with one Na(1)Ca2Mg10 cuboctahedra,  a faceface with one Mg(2)Mg12 cuboctahedra, faces with two equivalent Mg(6)CaMg11 cuboctahedra, faces with two equivalent Mg(4)Mg12 cuboctahedra, faces with two equivalent Mg(3)Na2Ca2Mg8 cuboctahedra, faces with two equivalent Mg(7)NaMg11 cuboctahedra, faces with three equivalent Ca(1)Na2Mg10 cuboctahedra, faces with three equivalent Mg(1)Mg12 cuboctahedra, and faces with four equivalent Mg(5)NaCaMg10 cuboctahedra. is represented by the CIF file [CIF]
data_NaCaMg14
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.572
_cell_length_b   6.551
_cell_length_c   10.534
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   119.893
_symmetry_Int_Tables_number   1
_cell_volume   393.152
_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
  Na  Na0  1  0.169  0.835  0.125  1.0
  Ca  Ca1  1  0.168  0.334  0.125  1.0
  Mg  Mg2  1  0.167  0.333  0.625  1.0
  Mg  Mg3  1  0.168  0.834  0.625  1.0
  Mg  Mg4  1  0.663  0.328  0.125  1.0
  Mg  Mg5  1  0.666  0.333  0.625  1.0
  Mg  Mg6  1  0.663  0.835  0.125  1.0
  Mg  Mg7  1  0.666  0.833  0.625  1.0
  Mg  Mg8  1  0.339  0.169  0.387  1.0
  Mg  Mg9  1  0.339  0.169  0.863  1.0
  Mg  Mg10  1  0.339  0.670  0.387  1.0
  Mg  Mg11  1  0.339  0.670  0.863  1.0
  Mg  Mg12  1  0.828  0.164  0.381  1.0
  Mg  Mg13  1  0.828  0.164  0.869  1.0
  Mg  Mg14  1  0.829  0.664  0.376  1.0
  Mg  Mg15  1  0.829  0.664  0.874  1.0
[/CIF]
.