data_[Pm6Sm8Ho8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Ho  1.2300  1.7500  1.0410
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [10.6865]
_cell_length_b [5.7292]
_cell_length_c [12.0759]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Pm3(SmHo)4]
_chemical_formula_sum '[Pm6 Sm8 Ho8]'
_cell_volume [739.3500]
_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
[
  Pm  Pm0  4  0.2919  0.0000  0.4089  1
  Pm  Pm1  2  0.0000  0.0000  0.2543  1
  Sm  Sm2  4  0.2114  0.0000  0.7529  1
  Sm  Sm3  2  0.0000  0.0000  0.9599  1
  Sm  Sm4  2  0.5000  0.0000  0.8852  1
  Ho  Ho5  4  0.3002  0.0000  0.1036  1
  Ho  Ho6  2  0.0000  0.0000  0.5548  1
  Ho  Ho7  2  0.5000  0.0000  0.6135  1
]