data_[Ce2Y2Bi2Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Y  1.2200  1.8000  1.0400
  Bi  2.0200  1.6000  1.0350
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [4.5764]
_cell_length_b [4.5764]
_cell_length_c [14.2330]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [CeYBiSe2]
_chemical_formula_sum '[Ce2 Y2 Bi2 Se4]'
_cell_volume [298.0940]
_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
[
  Ce  Ce0  2  0.0000  0.0000  0.8708  1
  Y  Y1  2  0.0000  0.0000  0.1359  1
  Bi  Bi2  2  0.0000  0.0000  0.4952  1
  Se  Se3  4  0.0000  0.5000  0.2491  1
]