data_[Pm21Dy3Y36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Dy  1.2200  1.7500  1.1310
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [12.0412]
_cell_length_b [12.0412]
_cell_length_c [16.3484]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Pm7DyY12]
_chemical_formula_sum '[Pm21 Dy3 Y36]'
_cell_volume [2052.7915]
_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  0.0560  0.1881  0.7905  1
  Pm  Pm1  3  -0.0000  0.0000  0.5000  1
  Y  Y2  18  0.0259  0.4496  0.7212  1
  Y  Y3  18  0.0532  0.5858  0.0831  1
  Dy  Dy4  3  0.0000  0.0000  0.0000  1
]