data_Na2ZnFe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.32
_cell_length_b   6.32
_cell_length_c   6.32
_cell_angle_alpha   154.83
_cell_angle_beta   128.74
_cell_angle_gamma   57.93
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2ZnFe
_chemical_formula_sum   'Na2 Zn1 Fe1'
_cell_volume   83.37
_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  0.74  0.3  1.0
  Na  Na2  1  0.0  0.0  0.03  1.0
  Zn  Zn3  1  0.0  0.74  0.34  1.0
  Fe  Fe0  1  0.0  0.0  0.93  1.0

data_Na2ZnFe
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.76
_cell_length_b   5.47
_cell_length_c   6.32
_cell_angle_alpha   115.63
_cell_angle_beta   102.58
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2ZnFe
_chemical_formula_sum   'Na2 Zn1 Fe1'
_cell_volume   83.37
_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  Na0  1  0.7  0.44  0.44  1.0
  Na  Na1  1  0.97  0.97  0.97  1.0
  Zn  Zn2  1  0.66  0.39  0.39  1.0
  Fe  Fe3  1  0.07  0.07  0.07  1.0

Na Na Zn Fe