data_[Ba6Hg3Os3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Hg  2.0000  1.5000  1.2450
  Os  2.2000  1.3000  0.6730
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [6.1423]
_cell_length_b [6.1423]
_cell_length_c [14.4239]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Ba2HgOsO6]
_chemical_formula_sum '[Ba6 Hg3 Os3 O18]'
_cell_volume [471.2690]
_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
[
  Ba  Ba0  6  0.0000  0.0000  0.2480  1.0
  Hg  Hg1  3  -0.0000  0.0000  0.5000  1.0
  Os  Os2  3  0.0000  0.0000  0.0000  1.0
  O  O3  18  0.0427  0.4564  0.7442  1.0
]