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 [7.3988]
_cell_length_b [8.2005]
_cell_length_c [9.7266]
_cell_angle_alpha [89.2924]
_cell_angle_beta [75.4727]
_cell_angle_gamma [83.9209]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [K8NaHg2O]
_chemical_formula_sum '[K8 Na1 Hg2 O1]'
_cell_volume [568.0051]
_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  0.1165  0.2625  0.1002  1
  K  K1  2  0.1867  0.8002  0.1419  1
  K  K2  2  0.2673  0.4155  0.5216  1
  K  K3  2  0.3111  0.9688  0.7840  1
  Na  Na4  1  0.0000  0.0000  0.5000  1
  Hg  Hg5  2  0.4466  0.5212  0.8543  1
  O  O6  1  0.0000  0.0000  0.0000  1
]