data_[Pm8Ho4Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ho  1.2300  1.7500  1.0410
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.6661]
_cell_length_b [23.2420]
_cell_length_c [4.6603]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Pm2HoBi]
_chemical_formula_sum '[Pm8 Ho4 Bi4]'
_cell_volume [505.4029]
_cell_formula_units_Z [4]
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
[
  Pm  Pm0  4  0.0000  0.0613  0.7500  1
  Pm  Pm1  4  0.0000  0.4345  0.7500  1
  Ho  Ho2  4  0.0000  0.3084  0.2500  1
  Bi  Bi3  4  0.0000  0.1734  0.2500  1
]