data_[Ag36Pt3O21]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Pt  2.2800  1.3500  0.8050
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [11.4347]
_cell_length_b [11.4347]
_cell_length_c [7.9645]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Ag12PtO7]
_chemical_formula_sum '[Ag36 Pt3 O21]'
_cell_volume [901.8505]
_cell_formula_units_Z [3]
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
[
  Ag  Ag0  18  0.0072  0.4130  0.6864  1.0
  Ag  Ag1  18  0.0610  0.8648  0.3466  1.0
  Pt  Pt2  3  0.0000  0.0000  0.0000  1.0
  O  O3  18  0.0640  0.8948  0.8599  1.0
  O  O4  3  0.0000  0.0000  0.5000  1.0
]