data_[Na4Pt2Se4O12]
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
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.4159]
_cell_length_b [5.4383]
_cell_length_c [6.9369]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.6264]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Pt(SeO3)2]
_chemical_formula_sum '[Na4 Pt2 Se4 O12]'
_cell_volume [370.5919]
_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  0.1449  0.5000  0.2870  1.0
  Pt  Pt1  2  0.0000  0.0000  0.5000  1.0
  Se  Se2  4  0.1975  0.5000  0.7977  1.0
  O  O3  8  0.1527  0.2528  0.6035  1.0
  O  O4  4  0.0905  0.5000  0.8957  1.0
]