data_[Rb4Na10Cd2Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Cd  1.6900  1.5500  1.0900
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [12.7063]
_cell_length_b [12.7063]
_cell_length_c [4.5713]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Rb2Na5CdHg2]
_chemical_formula_sum '[Rb4 Na10 Cd2 Hg4]'
_cell_volume [738.0347]
_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  0.1731  0.6731  0.0000  1.0
  Na  Na1  8  0.0608  0.1909  0.5000  1.0
  Na  Na2  2  0.0000  0.5000  0.5000  1.0
  Cd  Cd3  2  0.0000  0.0000  0.0000  1.0
  Hg  Hg4  4  0.1269  0.3731  0.0000  1.0
]