data_[Rb4Cd40Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [10.2655]
_cell_length_b [12.2608]
_cell_length_c [10.4296]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Rb(Cd5Hg)2]
_chemical_formula_sum '[Rb4 Cd40 Hg8]'
_cell_volume [1312.7011]
_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
[
  Rb  Rb0  4  0.0000  0.1290  0.2500  1
  Cd  Cd1  8  0.0000  0.1530  0.6081  1
  Cd  Cd2  8  0.0000  0.3863  0.0463  1
  Cd  Cd3  8  0.1440  0.3759  0.7500  1
  Cd  Cd4  8  0.2173  0.0000  0.0000  1
  Cd  Cd5  8  0.2216  0.3839  0.2500  1
  Hg  Hg6  8  0.2500  0.2500  0.0000  1
]