data_[Pm8Sm20Ho4Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Ho  1.2300  1.7500  1.0410
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [8.5867]
_cell_length_b [8.5867]
_cell_length_c [16.4081]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Pm2Sm5HoTm]
_chemical_formula_sum '[Pm8 Sm20 Ho4 Tm4]'
_cell_volume [1209.7965]
_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  0.1203  0.6203  0.5000  1
  Sm  Sm1  16  0.2158  0.2842  0.3577  1
  Sm  Sm2  4  0.0000  0.0000  0.0000  1
  Ho  Ho3  4  0.0000  0.0000  0.2500  1
  Tm  Tm4  4  0.0000  0.5000  0.2500  1
]