data_[Rb2Ba2Cd8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ba  0.8900  2.1500  1.4900
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.1828]
_cell_length_b [8.9383]
_cell_length_c [9.2838]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [RbBaCd4]
_chemical_formula_sum '[Rb2 Ba2 Cd8]'
_cell_volume [430.0720]
_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  2  0.0000  0.5000  0.5000  1
  Ba  Ba1  2  0.0000  0.5000  0.0000  1
  Cd  Cd2  8  0.0000  0.1671  0.2619  1
]