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 [C2/m]
_cell_length_a [17.9288]
_cell_length_b [3.5731]
_cell_length_c [11.7576]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.9414]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2Pr5Ho4]
_chemical_formula_sum '[Pm4 Pr10 Ho8]'
_cell_volume [751.4230]
_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  4  0.0960  0.0000  0.5353  1
  Pr  Pr1  4  0.1762  0.0000  0.0706  1
  Pm  Pm2  4  0.2166  0.5000  0.3520  1
  Pr  Pr3  2  0.0000  0.5000  0.0000  1
  Ho  Ho4  4  0.0328  0.0000  0.2593  1
  Ho  Ho5  4  0.1398  0.5000  0.7971  1
]