data_[K4Hg2Sb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Hg  2.0000  1.5000  1.2450
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.7823]
_cell_length_b [4.9682]
_cell_length_c [9.9778]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.5582]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [K2HgSb]
_chemical_formula_sum '[K4 Hg2 Sb2]'
_cell_volume [323.8866]
_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  2  0.2093  0.2500  0.4259  1.0
  K  K1  2  0.2825  0.7500  0.0709  1.0
  Hg  Hg2  2  0.3381  0.7500  0.7134  1.0
  Sb  Sb3  2  0.1608  0.2500  0.7833  1.0
]