data_[Pm36Sm3Dy21]
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
  Dy  1.2200  1.7500  1.1310
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [13.4052]
_cell_length_b [13.4052]
_cell_length_c [12.8952]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Pm12SmDy7]
_chemical_formula_sum '[Pm36 Sm3 Dy21]'
_cell_volume [2006.8152]
_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  18  0.0000  0.2619  0.5000  1
  Pm  Pm1  18  0.0888  0.1776  0.2683  1
  Sm  Sm2  3  0.0000  0.0000  0.0000  1
  Dy  Dy3  18  0.0438  0.5219  0.6167  1
  Dy  Dy4  3  0.0000  0.0000  0.5000  1
]