data_[K1Rb8Hg2O1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  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 [P-1]
_cell_length_a [7.8223]
_cell_length_b [8.9153]
_cell_length_c [10.7199]
_cell_angle_alpha [87.7430]
_cell_angle_beta [74.6973]
_cell_angle_gamma [80.8364]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [KRb8Hg2O]
_chemical_formula_sum '[K1 Rb8 Hg2 O1]'
_cell_volume [711.8829]
_cell_formula_units_Z [1]
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  2  0.1186  0.2592  0.0904  1
  Rb  Rb1  2  0.1889  0.7956  0.1361  1
  Rb  Rb2  2  0.2740  0.4107  0.5305  1
  Rb  Rb3  2  0.3124  0.9609  0.7947  1
  K  K4  1  0.0000  0.0000  0.5000  1
  Hg  Hg5  2  0.4487  0.5280  0.8621  1
  O  O6  1  0.0000  0.0000  0.0000  1
]