data_Na2HfPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.14
_cell_length_b   5.71
_cell_length_c   4.69
_cell_angle_alpha   90.0
_cell_angle_beta   91.77
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2HfPt
_chemical_formula_sum   'Na2 Hf1 Pt1'
_cell_volume   84.05
_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  0.76  0.85  0.44  1.0
  Na  Na2  1  0.24  0.85  0.25  1.0
  Hf  Hf0  1  0.0  0.0  0.0  1.0
  Pt  Pt3  1  0.5  0.0  0.34  1.0

data_Na2HfPt
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.14
_cell_length_b   4.69
_cell_length_c   5.71
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   91.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2HfPt
_chemical_formula_sum   'Na2 Hf1 Pt1'
_cell_volume   84.05
_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  0.24  0.56  0.15  1.0
  Na  Na1  1  0.76  0.75  0.15  1.0
  Hf  Hf2  1  0.0  0.0  0.0  1.0
  Pt  Pt3  1  0.5  0.66  0.0  1.0

Na Na Hf Pt