data_[Ce8Bi4Se2N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Bi  2.0200  1.6000  1.0350
  Se  2.5500  1.1500  1.0133
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.6248]
_cell_length_b [4.0647]
_cell_length_c [7.6545]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.9273]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ce4Bi2SeN2]
_chemical_formula_sum '[Ce8 Bi4 Se2 N4]'
_cell_volume [450.9738]
_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  4  0.0347  0.5000  0.7592  1.0
  Ce  Ce1  4  0.2123  0.0000  0.1519  1.0
  Bi  Bi2  4  0.1346  0.0000  0.5331  1.0
  Se  Se3  2  0.0000  0.0000  0.0000  1.0
  N  N4  4  0.1759  0.5000  0.9784  1.0
]