data_[Hg3Bi6Pt3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hg  2.0000  1.5000  1.2450
  Bi  2.0200  1.6000  1.0350
  Pt  2.2800  1.3500  0.8050
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.9324]
_cell_length_b [5.9324]
_cell_length_c [14.8535]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [HgBi2PtO6]
_chemical_formula_sum '[Hg3 Bi6 Pt3 O18]'
_cell_volume [452.7117]
_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
[
  Hg  Hg0  3  0.0000  0.0000  0.2181  1.0
  Bi  Bi1  3  0.0000  0.0000  0.4645  1.0
  Bi  Bi2  3  0.0000  0.0000  0.9849  1.0
  Pt  Pt3  3  0.0000  0.0000  0.6755  1.0
  O  O4  9  0.0067  0.3940  0.4125  1.0
  O  O5  9  0.0778  0.6755  0.2526  1.0
]