data_[Na2Sr4Pt2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Pt  2.2800  1.3500  0.8050
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.7539]
_cell_length_b [6.0367]
_cell_length_c [10.0002]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.9663]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [NaSr2PtO6]
_chemical_formula_sum '[Na2 Sr4 Pt2 O12]'
_cell_volume [284.6520]
_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  2  0.5000  0.0000  0.0000  1.0
  Sr  Sr1  4  0.2652  0.5617  0.7511  1.0
  Pt  Pt2  2  0.0000  0.0000  0.5000  1.0
  O  O3  4  0.1390  0.5310  0.2287  1.0
  O  O4  4  0.2247  0.2285  0.0514  1.0
  O  O5  4  0.3202  0.6785  0.0424  1.0
]