data_[Rb2Ce2Cd2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ce  1.1200  1.8500  1.0800
  Cd  1.6900  1.5500  1.0900
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.3693]
_cell_length_b [4.4421]
_cell_length_c [10.4425]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.8061]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbCeCdSe3]
_chemical_formula_sum '[Rb2 Ce2 Cd2 Se6]'
_cell_volume [416.0458]
_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  0.2092  0.2500  0.2320  1.0
  Ce  Ce1  2  0.3296  0.7500  0.8600  1.0
  Cd  Cd2  2  0.0862  0.2500  0.6095  1.0
  Se  Se3  2  0.1115  0.2500  0.8661  1.0
  Se  Se4  2  0.2145  0.7500  0.5381  1.0
  Se  Se5  2  0.4623  0.7500  0.1510  1.0
]