data_[Cs4Cd4Bi2Se8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Cd  1.6900  1.5500  1.0900
  Bi  2.0200  1.6000  1.0350
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.8288]
_cell_length_b [4.3526]
_cell_length_c [8.1733]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.7126]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2Cd2BiSe4]
_chemical_formula_sum '[Cs4 Cd4 Bi2 Se8]'
_cell_volume [634.4263]
_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
[
  Cs  Cs0  4  0.1240  0.0000  0.5240  1.0
  Cd  Cd1  4  0.1757  0.5000  0.9949  1.0
  Bi  Bi2  2  0.0000  0.0000  0.0000  1.0
  Se  Se3  4  0.0338  0.5000  0.7845  1.0
  Se  Se4  4  0.2243  0.0000  0.1961  1.0
]