data_[Li21Pt3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Pt  2.2800  1.3500  0.8050
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.5197]
_cell_length_b [5.5197]
_cell_length_c [14.2479]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Li7PtO6]
_chemical_formula_sum '[Li21 Pt3 O18]'
_cell_volume [375.9368]
_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
[
  Li  Li0  9  0.0518  0.7078  0.2219  1
  Li  Li1  9  0.0607  0.3832  0.4427  1
  Li  Li2  3  0.0000  0.0000  0.3433  1
  Pt  Pt3  3  0.0000  0.0000  0.9995  1
  O  O4  9  0.0059  0.2975  0.9170  1
  O  O5  9  0.0132  0.6316  0.7474  1
]