data_[Sr12Pt4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [I4/mcm]
_cell_length_a [6.8324]
_cell_length_b [6.8324]
_cell_length_c [12.5031]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Sr3PtO5]
_chemical_formula_sum '[Sr12 Pt4 O20]'
_cell_volume [583.6660]
_cell_formula_units_Z [4]
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
[
  Sr  Sr0  8  0.1765  0.3235  0.0000  1
  Sr  Sr1  4  0.0000  0.0000  0.2500  1
  Pt  Pt2  4  0.0000  0.5000  0.2500  1
  O  O3  16  0.1317  0.3683  0.6319  1
  O  O4  4  0.0000  0.0000  0.0000  1
]