data_Na2ZnTe
_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   138.41
_cell_angle_beta   134.0
_cell_angle_gamma   63.74
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2ZnTe
_chemical_formula_sum   'Na2 Zn1 Te1'
_cell_volume   106.55
_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  0.38  0.07  1.0
  Na  Na1  1  0.0  0.0  0.68  1.0
  Zn  Zn3  1  0.0  0.0  0.57  1.0
  Te  Te2  1  0.0  0.38  0.2  1.0

data_Na2ZnTe
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.33
_cell_length_b   4.76
_cell_length_c   6.09
_cell_angle_alpha   113.0
_cell_angle_beta   110.8
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2ZnTe
_chemical_formula_sum   'Na2 Zn1 Te1'
_cell_volume   106.55
_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  0.68  0.68  1.0
  Na  Na1  1  0.62  0.69  0.69  1.0
  Zn  Zn2  1  0.0  0.57  0.57  1.0
  Te  Te3  1  0.62  0.82  0.82  1.0

Na Na Zn Te
Na Na Zn Te 0 3 o o o 1 2 o o o 