data_[Pm10Y16Er2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [I-4]
_cell_length_a [9.6576]
_cell_length_b [9.6576]
_cell_length_c [10.1378]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [82]
_chemical_formula_structural [Pm5Y8Er]
_chemical_formula_sum '[Pm10 Y16 Er2]'
_cell_volume [945.5412]
_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  8  0.1094  0.2140  0.0778  1
  Pm  Pm1  2  0.0000  0.0000  0.5000  1
  Y  Y2  8  0.0713  0.3247  0.4060  1
  Y  Y3  8  0.0843  0.1770  0.7472  1
  Er  Er4  2  0.0000  0.5000  0.7500  1
]