data_[Pm12Y4Er10]
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 [Pbam]
_cell_length_a [11.7096]
_cell_length_b [20.4172]
_cell_length_c [3.6113]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Pm6Y2Er5]
_chemical_formula_sum '[Pm12 Y4 Er10]'
_cell_volume [863.3705]
_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  0.0591  0.0797  0.0000  1
  Pm  Pm1  4  0.0825  0.3661  0.0000  1
  Pm  Pm2  4  0.1728  0.6320  0.5000  1
  Y  Y3  4  0.1636  0.7885  0.0000  1
  Er  Er4  4  0.0960  0.2250  0.5000  1
  Er  Er5  4  0.1990  0.9452  0.5000  1
  Er  Er6  2  0.0000  0.5000  0.5000  1
]