data_[Rb1Tl1Hg2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [P-1]
_cell_length_a [6.8465]
_cell_length_b [6.9539]
_cell_length_c [9.1314]
_cell_angle_alpha [71.3368]
_cell_angle_beta [81.2097]
_cell_angle_gamma [86.5270]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbTl(HgCl4)2]
_chemical_formula_sum '[Rb1 Tl1 Hg2 Cl8]'
_cell_volume [407.0179]
_cell_formula_units_Z [1]
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
[
  Rb  Rb0  1  0.0000  0.0000  0.5000  1.0
  Tl  Tl1  1  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  2  0.4906  0.4614  0.7481  1.0
  Cl  Cl3  2  0.1234  0.7324  0.2481  1.0
  Cl  Cl4  2  0.1911  0.8237  0.8242  1.0
  Cl  Cl5  2  0.3396  0.2433  0.9884  1.0
  Cl  Cl6  2  0.4137  0.2690  0.4813  1.0
]