data_Na2HfTe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.42
_cell_length_b   3.42
_cell_length_c   10.39
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   108.68
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2HfTe
_chemical_formula_sum   'Na2 Hf1 Te1'
_cell_volume   115.37
_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  0.0  0.2  1.0
  Na  Na2  1  1.0  0.0  0.55  1.0
  Hf  Hf0  1  1.0  0.0  0.93  1.0
  Te  Te3  1  0.0  0.0  0.91  1.0

data_Na2HfTe
_symmetry_space_group_name_H-M   Cmm2
_cell_length_a   3.99
_cell_length_b   5.56
_cell_length_c   10.39
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   35
_chemical_formula_structural   Na2HfTe
_chemical_formula_sum   'Na4 Hf2 Te2'
_cell_volume   230.73
_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, y, z'
  4  'x, -y, z'
  5  'x+1/2, y+1/2, z'
  6  '-x+1/2, -y+1/2, z'
  7  '-x+1/2, y+1/2, z'
  8  '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  0.45  1.0
  Na  Na1  2  0.0  0.0  0.8  1.0
  Hf  Hf2  2  0.0  0.0  0.07  1.0
  Te  Te3  2  0.0  0.0  0.09  1.0

Na Na Hf Te