data_[Ce8Pm4Bi6H4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Bi  2.0200  1.6000  1.0350
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.5990]
_cell_length_b [4.5990]
_cell_length_c [27.4899]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ce4Pm2Bi3H2]
_chemical_formula_sum '[Ce8 Pm4 Bi6 H4]'
_cell_volume [581.4255]
_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  8  0.0000  0.5000  0.0850  1
  Pm  Pm1  4  0.0000  0.0000  0.2964  1
  Bi  Bi2  4  0.0000  0.0000  0.1770  1
  Bi  Bi3  2  0.0000  0.0000  0.0000  1
  H  H4  4  0.0000  0.0000  0.4291  1
]