data_[Na8Pt2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  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 [10.9160]
_cell_length_b [3.2990]
_cell_length_c [7.9898]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.2954]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na4PtO4]
_chemical_formula_sum '[Na8 Pt2 O8]'
_cell_volume [245.8609]
_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  0.1306  0.5000  0.8939  1.0
  Na  Na1  4  0.2040  0.0000  0.3239  1.0
  Pt  Pt2  2  0.0000  0.0000  0.5000  1.0
  O  O3  4  0.0694  0.5000  0.4054  1.0
  O  O4  4  0.1982  0.0000  0.7700  1.0
]