data_[Pm4Pr10Ho8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
  Ho  1.2300  1.7500  1.0410
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.5593]
_cell_length_b [9.2499]
_cell_length_c [23.6877]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pm2Pr5Ho4]
_chemical_formula_sum '[Pm4 Pr10 Ho8]'
_cell_volume [779.8844]
_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
[
  Pr  Pr0  8  0.0000  0.2002  0.1447  1
  Pm  Pm1  4  0.0000  0.0000  0.2688  1
  Pr  Pr2  2  0.0000  0.5000  0.5000  1
  Ho  Ho3  4  0.0000  0.0000  0.4039  1
  Ho  Ho4  4  0.0000  0.3147  0.0000  1
]