data_[K4Ag2Hg10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ag  1.9300  1.6000  1.0867
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [6.8307]
_cell_length_b [6.8307]
_cell_length_c [12.3021]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [K2AgHg5]
_chemical_formula_sum '[K4 Ag2 Hg10]'
_cell_volume [573.9922]
_cell_formula_units_Z [2]
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  4  0.0000  0.5000  0.2137  1.0
  Ag  Ag1  2  0.0000  0.0000  0.0972  1.0
  Hg  Hg2  8  0.2483  0.2483  0.9684  1.0
  Hg  Hg3  2  0.0000  0.0000  0.3236  1.0
]