data_[Rb4Cd10Hg2]
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 [I4mm]
_cell_length_a [6.6193]
_cell_length_b [6.6193]
_cell_length_c [13.2532]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [Rb2Cd5Hg]
_chemical_formula_sum '[Rb4 Cd10 Hg2]'
_cell_volume [580.6927]
_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  0.2139  1
  Cd  Cd1  8  0.2473  0.2473  0.9642  1
  Cd  Cd2  2  0.0000  0.0000  0.3313  1
  Hg  Hg3  2  0.0000  0.0000  0.1073  1
]