data_[Na6Fe4Pt2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Fe  1.8300  1.4000  0.8525
  Pt  2.2800  1.3500  0.8050
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.3690]
_cell_length_b [9.3720]
_cell_length_c [5.6810]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.0783]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3Fe2PtO6]
_chemical_formula_sum '[Na6 Fe4 Pt2 O12]'
_cell_volume [271.7478]
_cell_formula_units_Z [2]
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  4  0.0000  0.1678  0.5000  1
  Na  Na1  2  0.0000  0.5000  0.5000  1
  Fe  Fe2  4  0.0000  0.3401  0.0000  1
  Pt  Pt3  2  0.0000  0.0000  0.0000  1
  O  O4  8  0.2331  0.1626  0.2009  1
  O  O5  4  0.2474  0.5000  0.2128  1
]