data_[Tl8Hg2Cl10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Hg  2.0000  1.5000  1.2450
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [10.2204]
_cell_length_b [10.2204]
_cell_length_c [6.3671]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [Tl4HgCl5]
_chemical_formula_sum '[Tl8 Hg2 Cl10]'
_cell_volume [665.0814]
_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
[
  Tl  Tl0  8  0.0980  0.3005  0.5000  1.0
  Hg  Hg1  2  0.0000  0.0000  0.0000  1.0
  Cl  Cl2  8  0.1010  0.2912  0.0000  1.0
  Cl  Cl3  2  0.0000  0.0000  0.5000  1.0
]