The crystal structure described by Na2Mg(SbO3)2 crystallizes in the triclinic P1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MgO6 octahedra that share corners with six equivalent Sb(2)O6 octahedra, corners with three equivalent Sb(1)O6 pentagonal pyramids, and  a faceface with one Sb(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 27-32°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted SbO6 pentagonal pyramids that share corners with three equivalent Mg(1)O6 octahedra, edges with three equivalent Sb(2)O6 octahedra, and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles are 68°. In the second Sb site, Sb(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form SbO6 octahedra that share corners with six equivalent Mg(1)O6 octahedra and edges with three equivalent Sb(1)O6 pentagonal pyramids. The corner-sharing octahedral tilt angles range from 27-32°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Na(1), one Na(2), one Mg(1), one Sb(1), and one Sb(2) atom to form a mixture of distorted corner and edge-sharing ONa2MgSb2 trigonal bipyramids. In the second O site, O(2) is bonded to one Na(1), one Na(2), one Mg(1), one Sb(1), and one Sb(2) atom to form a mixture of distorted corner and edge-sharing ONa2MgSb2 trigonal bipyramids. In the third O site, O(3) is bonded to one Na(1), one Na(2), one Mg(1), one Sb(1), and one Sb(2) atom to form a mixture of distorted corner and edge-sharing ONa2MgSb2 trigonal bipyramids. In the fourth O site, O(4) is bonded to one Na(1), one Na(2), one Mg(1), one Sb(1), and one Sb(2) atom to form a mixture of distorted corner and edge-sharing ONa2MgSb2 trigonal bipyramids. In the fifth O site, O(5) is bonded to one Na(1), one Na(2), one Mg(1), one Sb(1), and one Sb(2) atom to form a mixture of distorted corner and edge-sharing ONa2MgSb2 trigonal bipyramids. In the sixth O site, O(6) is bonded to one Na(1), one Na(2), one Mg(1), one Sb(1), and one Sb(2) atom to form a mixture of distorted corner and edge-sharing ONa2MgSb2 trigonal bipyramids. is represented by the CIF card [CIF]
data_Na2Mg(SbO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.106
_cell_length_b   6.094
_cell_length_c   6.101
_cell_angle_alpha   54.468
_cell_angle_beta   54.390
_cell_angle_gamma   54.436
_symmetry_Int_Tables_number   1
_cell_volume   139.660
_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  0.506  0.503  0.504  1.0
  Na  Na1  1  0.359  0.361  0.361  1.0
  Mg  Mg2  1  0.679  0.678  0.680  1.0
  Sb  Sb3  1  0.881  0.880  0.882  1.0
  Sb  Sb4  1  0.179  0.177  0.179  1.0
  O  O5  1  0.938  0.330  0.508  1.0
  O  O6  1  0.329  0.508  0.938  1.0
  O  O7  1  0.508  0.938  0.329  1.0
  O  O8  1  0.031  0.843  0.463  1.0
  O  O9  1  0.464  0.029  0.844  1.0
  O  O10  1  0.845  0.462  0.031  1.0
[/CIF]
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The crystal structure described by Na2Mg(SbO3)2 crystallizes in the triclinic P1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MgO6 octahedra that share corners with six equivalent Sb(2)O6 octahedra, corners with three equivalent Sb(1)O6 pentagonal pyramids, and  a faceface with one Sb(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 27-32°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted SbO6 pentagonal pyramids that share corners with three equivalent Mg(1)O6 octahedra, edges with three equivalent Sb(2)O6 octahedra, and  a faceface with one Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles are 68°. In the second Sb site, Sb(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form SbO6 octahedra that share corners with six equivalent Mg(1)O6 octahedra and edges with three equivalent Sb(1)O6 pentagonal pyramids. The corner-sharing octahedral tilt angles range from 27-32°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Na(1), one Na(2), one Mg(1), one Sb(1), and one Sb(2) atom to form a mixture of distorted corner and edge-sharing ONa2MgSb2 trigonal bipyramids. In the second O site, O(2) is bonded to one Na(1), one Na(2), one Mg(1), one Sb(1), and one Sb(2) atom to form a mixture of distorted corner and edge-sharing ONa2MgSb2 trigonal bipyramids. In the third O site, O(3) is bonded to one Na(1), one Na(2), one Mg(1), one Sb(1), and one Sb(2) atom to form a mixture of distorted corner and edge-sharing ONa2MgSb2 trigonal bipyramids. In the fourth O site, O(4) is bonded to one Na(1), one Na(2), one Mg(1), one Sb(1), and one Sb(2) atom to form a mixture of distorted corner and edge-sharing ONa2MgSb2 trigonal bipyramids. In the fifth O site, O(5) is bonded to one Na(1), one Na(2), one Mg(1), one Sb(1), and one Sb(2) atom to form a mixture of distorted corner and edge-sharing ONa2MgSb2 trigonal bipyramids. In the sixth O site, O(6) is bonded to one Na(1), one Na(2), one Mg(1), one Sb(1), and one Sb(2) atom to form a mixture of distorted corner and edge-sharing ONa2MgSb2 trigonal bipyramids. is represented by the CIF card [CIF]
data_Na2Mg(SbO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.106
_cell_length_b   6.094
_cell_length_c   6.101
_cell_angle_alpha   54.468
_cell_angle_beta   54.390
_cell_angle_gamma   54.436
_symmetry_Int_Tables_number   1
_cell_volume   139.660
_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  0.506  0.503  0.504  1.0
  Na  Na1  1  0.359  0.361  0.361  1.0
  Mg  Mg2  1  0.679  0.678  0.680  1.0
  Sb  Sb3  1  0.881  0.880  0.882  1.0
  Sb  Sb4  1  0.179  0.177  0.179  1.0
  O  O5  1  0.938  0.330  0.508  1.0
  O  O6  1  0.329  0.508  0.938  1.0
  O  O7  1  0.508  0.938  0.329  1.0
  O  O8  1  0.031  0.843  0.463  1.0
  O  O9  1  0.464  0.029  0.844  1.0
  O  O10  1  0.845  0.462  0.031  1.0
[/CIF]
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