data_[Pm1Ho9Er2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.9941]
_cell_length_b [4.9941]
_cell_length_c [14.9862]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [PmHo9Er2]
_chemical_formula_sum '[Pm1 Ho9 Er2]'
_cell_volume [373.7667]
_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
[
  Pm  Pm0  1  0.0000  0.0000  0.0000  1
  Ho  Ho1  4  0.0000  0.5000  0.1688  1
  Ho  Ho2  2  0.0000  0.5000  0.5000  1
  Ho  Ho3  2  0.5000  0.5000  0.3349  1
  Ho  Ho4  1  0.5000  0.5000  0.0000  1
  Er  Er5  2  0.0000  0.0000  0.3342  1
]