data_[Rb6Cd4Hg8]
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 [C2/m]
_cell_length_a [13.0661]
_cell_length_b [5.3390]
_cell_length_c [10.3014]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.3530]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3(CdHg2)2]
_chemical_formula_sum '[Rb6 Cd4 Hg8]'
_cell_volume [682.0688]
_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  0.1257  0.5000  0.6894  1.0
  Rb  Rb1  2  0.0000  0.0000  0.0000  1.0
  Cd  Cd2  4  0.1735  0.5000  0.3368  1.0
  Hg  Hg3  4  0.0998  0.0000  0.4202  1.0
  Hg  Hg4  4  0.2283  0.5000  0.0702  1.0
]