data_[Hg4Sb4Cl4]
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 [C2/m]
_cell_length_a [13.2538]
_cell_length_b [4.0795]
_cell_length_c [8.4695]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.2590]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [HgSbCl]
_chemical_formula_sum '[Hg4 Sb4 Cl4]'
_cell_volume [410.6817]
_cell_formula_units_Z [4]
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  4  0.1609  0.0000  0.6194  1.0
  Sb  Sb1  4  0.1634  0.0000  0.9426  1.0
  Cl  Cl2  4  0.1143  0.5000  0.3793  1.0
]