data_[Pm6Pr4Y8]
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
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.4190]
_cell_length_b [5.1321]
_cell_length_c [8.1043]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.4155]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm3(PrY2)2]
_chemical_formula_sum '[Pm6 Pr4 Y8]'
_cell_volume [608.4682]
_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  0.1109  0.0000  0.6655  1
  Pr  Pr1  4  0.1663  0.5000  0.0001  1
  Pm  Pm2  2  0.0000  0.0000  0.0000  1
  Y  Y3  4  0.0563  0.5000  0.3351  1
  Y  Y4  4  0.2220  0.0000  0.3352  1
]