data_[Rb1Cd4Hg6]
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 [P-6m2]
_cell_length_a [8.3103]
_cell_length_b [8.3103]
_cell_length_c [5.1146]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [187]
_chemical_formula_structural [Rb(Cd2Hg3)2]
_chemical_formula_sum '[Rb1 Cd4 Hg6]'
_cell_volume [305.9020]
_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  0.0000  1
  Cd  Cd1  3  0.2082  0.4165  0.5000  1
  Cd  Cd2  1  0.6667  0.3333  0.0000  1
  Hg  Hg3  3  0.0731  0.5365  0.0000  1
  Hg  Hg4  3  0.3979  0.1989  0.5000  1
]