data_[Pm6Ho3Al36Fe9]
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
  Al  1.6100  1.2500  0.6750
  Fe  1.8300  1.4000  0.8525
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [8.5452]
_cell_length_b [8.5452]
_cell_length_c [18.6097]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Pm2Ho(Al4Fe)3]
_chemical_formula_sum '[Pm6 Ho3 Al36 Fe9]'
_cell_volume [1176.8354]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.4172  1
  Ho  Ho1  3  0.0000  0.0000  0.0000  1
  Al  Al2  18  0.0890  0.5445  0.3821  1
  Al  Al3  18  0.0960  0.5480  0.8206  1
  Fe  Fe4  9  0.0000  0.5000  0.5000  1
]