data_[Ce2Pm20Ho8]
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
  Ho  1.2300  1.7500  1.0410
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [9.7879]
_cell_length_b [9.7879]
_cell_length_c [10.6793]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [Ce(Pm5Ho2)2]
_chemical_formula_sum '[Ce2 Pm20 Ho8]'
_cell_volume [1023.1175]
_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  0.0000  1
  Pm  Pm1  16  0.1157  0.2131  0.3437  1
  Pm  Pm2  4  0.0000  0.5000  0.2500  1
  Ho  Ho3  8  0.0610  0.3324  0.0000  1
]