The structure described by NaSrMg6 crystallizes in the orthorhombic Amm2 space group. Na(1) is bonded to two equivalent Sr(1); two equivalent Mg(2); four Mg(1,1); and four Mg(3,3) atoms to form NaSr2Mg10 cuboctahedra that share corners with four equivalent Mg(2)Na2Mg10 cuboctahedra, corners with six equivalent Na(1)Sr2Mg10 cuboctahedra, edges with two equivalent Mg(2)Na2Mg10 cuboctahedra, edges with four equivalent Sr(1)Na2Mg10 cuboctahedra, faces with two equivalent Na(1)Sr2Mg10 cuboctahedra, faces with two equivalent Sr(1)Na2Mg10 cuboctahedra, and faces with two equivalent Mg(2)Na2Mg10 cuboctahedra. Sr(1) is bonded to two equivalent Na(1); two equivalent Mg(4); four Mg(1,1); and four Mg(3,3,3) atoms to form SrNa2Mg10 cuboctahedra that share corners with six equivalent Sr(1)Na2Mg10 cuboctahedra, edges with four equivalent Na(1)Sr2Mg10 cuboctahedra, faces with two equivalent Na(1)Sr2Mg10 cuboctahedra, faces with two equivalent Sr(1)Na2Mg10 cuboctahedra, and faces with six equivalent Mg(2)Na2Mg10 cuboctahedra. There are seven inequivalent Mg sites. In the first Mg site, Mg(1) is bonded in a 12-coordinate geometry to two equivalent Na(1), two equivalent Sr(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), and two equivalent Mg(4) atoms. In the second Mg site, Mg(1) is bonded in a 12-coordinate geometry to two equivalent Na(1), two equivalent Sr(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), and two equivalent Mg(4) atoms. In the third Mg site, Mg(2) is bonded to two equivalent Na(1); two equivalent Mg(4); four Mg(1,1); and four Mg(3,3) atoms to form distorted MgNa2Mg10 cuboctahedra that share corners with four equivalent Na(1)Sr2Mg10 cuboctahedra, corners with six equivalent Mg(2)Na2Mg10 cuboctahedra, edges with two equivalent Na(1)Sr2Mg10 cuboctahedra, faces with two equivalent Na(1)Sr2Mg10 cuboctahedra, faces with two equivalent Mg(2)Na2Mg10 cuboctahedra, and faces with six equivalent Sr(1)Na2Mg10 cuboctahedra. In the fourth Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Na(1), two equivalent Sr(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), and two equivalent Mg(4) atoms. In the fifth Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Na(1), two equivalent Sr(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), and two equivalent Mg(4) atoms. In the sixth Mg site, Mg(4) is bonded in a 12-coordinate geometry to two equivalent Sr(1); two equivalent Mg(2); four Mg(1,1); and four Mg(3,3,3) atoms. In the seventh Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Na(1), two equivalent Sr(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), and two equivalent Mg(4) atoms. is represented by the CIF card [CIF]
data_NaSrMg6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.407
_cell_length_b   6.848
_cell_length_c   6.894
_cell_angle_alpha   119.780
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   221.578
_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  0.000  0.319  0.159  1.0
  Mg  Mg1  1  0.000  0.840  0.159  1.0
  Mg  Mg2  1  0.000  0.332  0.665  1.0
  Mg  Mg3  1  0.500  0.169  0.839  1.0
  Mg  Mg4  1  0.500  0.670  0.839  1.0
  Mg  Mg5  1  0.500  0.163  0.327  1.0
  Na  Na6  1  0.000  0.840  0.679  1.0
  Sr  Sr7  1  0.500  0.666  0.332  1.0
[/CIF]
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The structure described by NaSrMg6 crystallizes in the orthorhombic Amm2 space group. Na(1) is bonded to two equivalent Sr(1); two equivalent Mg(2); four Mg(1,1); and four Mg(3,3) atoms to form NaSr2Mg10 cuboctahedra that share corners with four equivalent Mg(2)Na2Mg10 cuboctahedra, corners with six equivalent Na(1)Sr2Mg10 cuboctahedra, edges with two equivalent Mg(2)Na2Mg10 cuboctahedra, edges with four equivalent Sr(1)Na2Mg10 cuboctahedra, faces with two equivalent Na(1)Sr2Mg10 cuboctahedra, faces with two equivalent Sr(1)Na2Mg10 cuboctahedra, and faces with two equivalent Mg(2)Na2Mg10 cuboctahedra. Sr(1) is bonded to two equivalent Na(1); two equivalent Mg(4); four Mg(1,1); and four Mg(3,3,3) atoms to form SrNa2Mg10 cuboctahedra that share corners with six equivalent Sr(1)Na2Mg10 cuboctahedra, edges with four equivalent Na(1)Sr2Mg10 cuboctahedra, faces with two equivalent Na(1)Sr2Mg10 cuboctahedra, faces with two equivalent Sr(1)Na2Mg10 cuboctahedra, and faces with six equivalent Mg(2)Na2Mg10 cuboctahedra. There are seven inequivalent Mg sites. In the first Mg site, Mg(1) is bonded in a 12-coordinate geometry to two equivalent Na(1), two equivalent Sr(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), and two equivalent Mg(4) atoms. In the second Mg site, Mg(1) is bonded in a 12-coordinate geometry to two equivalent Na(1), two equivalent Sr(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), and two equivalent Mg(4) atoms. In the third Mg site, Mg(2) is bonded to two equivalent Na(1); two equivalent Mg(4); four Mg(1,1); and four Mg(3,3) atoms to form distorted MgNa2Mg10 cuboctahedra that share corners with four equivalent Na(1)Sr2Mg10 cuboctahedra, corners with six equivalent Mg(2)Na2Mg10 cuboctahedra, edges with two equivalent Na(1)Sr2Mg10 cuboctahedra, faces with two equivalent Na(1)Sr2Mg10 cuboctahedra, faces with two equivalent Mg(2)Na2Mg10 cuboctahedra, and faces with six equivalent Sr(1)Na2Mg10 cuboctahedra. In the fourth Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Na(1), two equivalent Sr(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), and two equivalent Mg(4) atoms. In the fifth Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Na(1), two equivalent Sr(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), and two equivalent Mg(4) atoms. In the sixth Mg site, Mg(4) is bonded in a 12-coordinate geometry to two equivalent Sr(1); two equivalent Mg(2); four Mg(1,1); and four Mg(3,3,3) atoms. In the seventh Mg site, Mg(3) is bonded in a 12-coordinate geometry to two equivalent Na(1), two equivalent Sr(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), and two equivalent Mg(4) atoms. is represented by the CIF card [CIF]
data_NaSrMg6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.407
_cell_length_b   6.848
_cell_length_c   6.894
_cell_angle_alpha   119.780
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   221.578
_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  0.000  0.319  0.159  1.0
  Mg  Mg1  1  0.000  0.840  0.159  1.0
  Mg  Mg2  1  0.000  0.332  0.665  1.0
  Mg  Mg3  1  0.500  0.169  0.839  1.0
  Mg  Mg4  1  0.500  0.670  0.839  1.0
  Mg  Mg5  1  0.500  0.163  0.327  1.0
  Na  Na6  1  0.000  0.840  0.679  1.0
  Sr  Sr7  1  0.500  0.666  0.332  1.0
[/CIF]
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