data_[Pm24Ho4Er12]
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 [Cmc2_1]
_cell_length_a [9.7691]
_cell_length_b [21.2529]
_cell_length_c [6.4044]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Pm6HoEr3]
_chemical_formula_sum '[Pm24 Ho4 Er12]'
_cell_volume [1329.6928]
_cell_formula_units_Z [4]
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  0.1750  0.2806  0.1773  1
  Pm  Pm1  8  0.1804  0.4400  0.9294  1
  Pm  Pm2  4  0.0000  0.0161  0.6846  1
  Pm  Pm3  4  0.0000  0.3005  0.7049  1
  Ho  Ho4  4  0.0000  0.1583  0.4845  1
  Er  Er5  8  0.1677  0.1253  0.0091  1
  Er  Er6  4  0.0000  0.4195  0.4091  1
]