data_Na2MgTe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.09
_cell_length_b   6.09
_cell_length_c   6.09
_cell_angle_alpha   134.98
_cell_angle_beta   134.98
_cell_angle_gamma   65.56
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2MgTe
_chemical_formula_sum   'Na2 Mg1 Te1'
_cell_volume   111.22
_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  Na1  1  0.0  0.33  0.56  1.0
  Na  Na2  1  0.0  0.0  0.0  1.0
  Mg  Mg0  1  0.0  0.0  0.12  1.0
  Te  Te3  1  0.33  0.0  0.56  1.0

data_Na2MgTe
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.66
_cell_length_b   4.66
_cell_length_c   6.09
_cell_angle_alpha   112.51
_cell_angle_beta   112.51
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2MgTe
_chemical_formula_sum   'Na2 Mg1 Te1'
_cell_volume   111.22
_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  0.0  0.0  0.0  1.0
  Na  Na1  1  0.23  0.56  0.23  1.0
  Mg  Mg2  1  0.12  0.12  0.12  1.0
  Te  Te3  1  0.56  0.23  0.23  1.0

Na Na Mg Te
Na Na Mg Te 0 3 o o o 0 2 o o o 1 2 o o o 2 3 o o o 