data_[Pm8Pr8Y10]
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 [I4/m]
_cell_length_a [13.1424]
_cell_length_b [13.1424]
_cell_length_c [5.1399]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [Pm4Pr4Y5]
_chemical_formula_sum '[Pm8 Pr8 Y10]'
_cell_volume [887.7770]
_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
[
  Pr  Pr0  8  0.0787  0.3834  0.0000  1
  Pm  Pm1  8  0.1534  0.7705  0.0000  1
  Y  Y2  8  0.0385  0.1898  0.5000  1
  Y  Y3  2  0.0000  0.0000  0.0000  1
]