data_[Rb4Hg4Rh2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Hg  2.0000  1.5000  1.2450
  Rh  2.2800  1.3500  0.7450
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [7.8613]
_cell_length_b [7.8613]
_cell_length_c [8.3672]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Rb2Hg2RhCl4]
_chemical_formula_sum '[Rb4 Hg4 Rh2 Cl8]'
_cell_volume [517.0877]
_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
[
  Rb  Rb0  4  0.0000  0.5000  0.2500  1.0
  Hg  Hg1  4  0.0000  0.0000  0.3278  1.0
  Rh  Rh2  2  0.0000  0.0000  0.0000  1.0
  Cl  Cl3  8  0.2140  0.2140  0.0000  1.0
]