data_[Hg4Sb2Cl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hg  2.0000  1.5000  1.2450
  Sb  2.0500  1.4500  0.8300
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [3.4069]
_cell_length_b [6.0105]
_cell_length_c [10.6234]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [Hg2SbCl]
_chemical_formula_sum '[Hg4 Sb2 Cl2]'
_cell_volume [217.5378]
_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
[
  Hg  Hg0  2  0.0000  0.0000  0.9944  1
  Hg  Hg1  2  0.0000  0.5000  0.2576  1
  Sb  Sb2  2  0.0000  0.0000  0.5222  1
  Cl  Cl3  2  0.0000  0.5000  0.7258  1
]