data_[Tb2Pm8Tm10]
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
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [I4]
_cell_length_a [10.2865]
_cell_length_b [10.2865]
_cell_length_c [6.2001]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [79]
_chemical_formula_structural [TbPm4Tm5]
_chemical_formula_sum '[Tb2 Pm8 Tm10]'
_cell_volume [656.0454]
_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
[
  Tb  Tb0  2  0.0000  0.0000  0.7809  1
  Pm  Pm1  8  0.0447  0.3460  0.5482  1
  Tm  Tm2  8  0.1505  0.2270  0.0503  1
  Tm  Tm3  2  0.0000  0.0000  0.3147  1
]