data_[K8Na1Hg2O1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  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 [7.4554]
_cell_length_b [8.2529]
_cell_length_c [9.5338]
_cell_angle_alpha [89.4476]
_cell_angle_beta [76.8426]
_cell_angle_gamma [84.1029]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [K8NaHg2O]
_chemical_formula_sum '[K8 Na1 Hg2 O1]'
_cell_volume [568.1191]
_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
[
  K  K0  2  0.1172  0.2616  0.1002  1.0
  K  K1  2  0.1870  0.8002  0.1423  1.0
  K  K2  2  0.2675  0.4159  0.5214  1.0
  K  K3  2  0.3099  0.9689  0.7848  1.0
  Na  Na4  1  0.0000  0.0000  0.5000  1.0
  Hg  Hg5  2  0.4457  0.5214  0.8544  1.0
  O  O6  1  0.0000  0.0000  0.0000  1.0
]