data_[Rb2Sm2Cd2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sm  1.1700  1.8500  1.2290
  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 [9.3303]
_cell_length_b [4.3540]
_cell_length_c [10.4392]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.1880]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbSmCdSe3]
_chemical_formula_sum '[Rb2 Sm2 Cd2 Se6]'
_cell_volume [402.8969]
_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  0.2143  0.2500  0.2360  1.0
  Sm  Sm1  2  0.3290  0.7500  0.8647  1.0
  Cd  Cd2  2  0.0851  0.2500  0.6110  1.0
  Se  Se3  2  0.1115  0.2500  0.8688  1.0
  Se  Se4  2  0.2199  0.7500  0.5437  1.0
  Se  Se5  2  0.4659  0.7500  0.1523  1.0
]