data_[Rb24Hg18O3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Hg  2.0000  1.5000  1.2450
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [11.0994]
_cell_length_b [11.0994]
_cell_length_c [19.7222]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Rb8Hg6O]
_chemical_formula_sum '[Rb24 Hg18 O3]'
_cell_volume [2104.1866]
_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
[
  Rb  Rb0  18  0.0069  0.7976  0.9180  1
  Rb  Rb1  6  0.0000  0.0000  0.3883  1
  Hg  Hg2  18  0.0495  0.4686  0.9331  1
  O  O3  3  0.0000  0.0000  0.0000  1
]