data_Na2ZnTe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.15
_cell_length_b   10.15
_cell_length_c   10.15
_cell_angle_alpha   20.02
_cell_angle_beta   20.02
_cell_angle_gamma   20.02
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2ZnTe
_chemical_formula_sum   'Na2 Zn1 Te1'
_cell_volume   107.2
_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  0.38  1.0
  Na  Na1  1  0.0  0.0  0.44  1.0
  Zn  Zn3  1  0.0  0.0  0.0  1.0
  Te  Te2  1  0.0  0.0  0.91  1.0

data_Na2ZnTe
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.11
_cell_length_b   3.53
_cell_length_c   10.15
_cell_angle_alpha   90.0
_cell_angle_beta   101.58
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Na2ZnTe
_chemical_formula_sum   'Na4 Zn2 Te2'
_cell_volume   214.39
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.0  0.0  0.56  1.0
  Na  Na1  2  0.0  0.0  0.62  1.0
  Zn  Zn2  2  0.0  0.0  0.0  1.0
  Te  Te3  2  -0.0  0.0  0.09  1.0

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