data_[Rb1Tb1Hg2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tb  1.1000  1.7500  0.9815
  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 [6.7438]
_cell_length_b [6.9054]
_cell_length_c [9.2756]
_cell_angle_alpha [71.2110]
_cell_angle_beta [80.3503]
_cell_angle_gamma [85.1429]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbTb(HgCl4)2]
_chemical_formula_sum '[Rb1 Tb1 Hg2 Cl8]'
_cell_volume [402.9308]
_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
  Tb  Tb1  1  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  2  0.4716  0.4657  0.7317  1.0
  Cl  Cl3  2  0.1336  0.7360  0.2452  1.0
  Cl  Cl4  2  0.1976  0.8064  0.8169  1.0
  Cl  Cl5  2  0.3264  0.2353  0.9736  1.0
  Cl  Cl6  2  0.4111  0.2660  0.4953  1.0
]