data_[Tb8Pm4Y4Tm20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pm  1.1300  1.8500  1.1100
  Y  1.2200  1.8000  1.0400
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [8.8063]
_cell_length_b [8.8063]
_cell_length_c [14.7493]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Tb2PmYTm5]
_chemical_formula_sum '[Tb8 Pm4 Y4 Tm20]'
_cell_volume [1143.8274]
_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
[
  Tb  Tb0  8  0.1136  0.6136  0.5000  1
  Pm  Pm1  4  0.0000  0.0000  0.2500  1
  Y  Y2  4  0.0000  0.5000  0.2500  1
  Tm  Tm3  16  0.2069  0.2931  0.6332  1
  Tm  Tm4  4  0.0000  0.0000  0.0000  1
]