data_[Pm4Pr15Y1]
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 [P4/mmm]
_cell_length_a [5.2373]
_cell_length_b [5.2373]
_cell_length_c [26.0772]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Pm4Pr15Y]
_chemical_formula_sum '[Pm4 Pr15 Y1]'
_cell_volume [715.2804]
_cell_formula_units_Z [1]
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
[
  Pr  Pr0  4  0.0000  0.5000  0.0992  1
  Pr  Pr1  4  0.0000  0.5000  0.2995  1
  Pm  Pm2  2  0.0000  0.0000  0.1992  1
  Pm  Pm3  2  0.0000  0.0000  0.3997  1
  Pr  Pr4  2  0.0000  0.5000  0.5000  1
  Pr  Pr5  2  0.5000  0.5000  0.1991  1
  Pr  Pr6  2  0.5000  0.5000  0.3999  1
  Pr  Pr7  1  0.5000  0.5000  0.0000  1
  Y  Y8  1  0.0000  0.0000  0.0000  1
]