data_[Ba4Pt4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Pt  2.2800  1.3500  0.8050
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.0061]
_cell_length_b [8.2759]
_cell_length_c [7.8258]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [BaPtO]
_chemical_formula_sum '[Ba4 Pt4 O4]'
_cell_volume [259.4584]
_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
[
  Ba  Ba0  4  0.5000  0.2173  0.8194  1
  Pt  Pt1  2  0.0000  0.0000  0.1520  1
  Pt  Pt2  2  0.0000  0.0000  0.4934  1
  O  O3  2  0.0000  0.0000  0.7536  1
  O  O4  2  0.5000  0.0000  0.0989  1
]