data_[Rb2Na2Cd2I8]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.9033]
_cell_length_b [8.4549]
_cell_length_c [9.9106]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.4019]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbNaCdI4]
_chemical_formula_sum '[Rb2 Na2 Cd2 I8]'
_cell_volume [635.2945]
_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  0.2193  0.2500  0.0516  1.0
  Na  Na1  2  0.2309  0.2500  0.5727  1.0
  Cd  Cd2  2  0.2315  0.7500  0.3278  1.0
  I  I3  4  0.0140  0.5047  0.7231  1.0
  I  I4  2  0.4244  0.7500  0.1274  1.0
  I  I5  2  0.4785  0.7500  0.5925  1.0
]