data_[K1Na5Hg6]
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
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [5.4831]
_cell_length_b [7.5025]
_cell_length_c [8.4526]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.8273]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [KNa5Hg6]
_chemical_formula_sum '[K1 Na5 Hg6]'
_cell_volume [337.6335]
_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  1  0.0000  0.0000  0.0000  1
  Na  Na1  2  0.3599  0.0000  0.6669  1
  Na  Na2  2  0.3736  0.5000  0.6749  1
  Na  Na3  1  0.0000  0.5000  0.0000  1
  Hg  Hg4  4  0.1362  0.2710  0.3520  1
  Hg  Hg5  2  0.5000  0.2758  0.0000  1
]