data_[Tb12Pm4Tm10]
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 [Pbam]
_cell_length_a [11.6523]
_cell_length_b [20.0818]
_cell_length_c [3.5791]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Tb6Pm2Tm5]
_chemical_formula_sum '[Tb12 Pm4 Tm10]'
_cell_volume [837.5105]
_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  4  0.0585  0.0785  0.0000  1
  Tb  Tb1  4  0.0816  0.3660  0.0000  1
  Tb  Tb2  4  0.1755  0.6275  0.5000  1
  Pm  Pm3  4  0.1648  0.7853  0.0000  1
  Tm  Tm4  4  0.0951  0.2230  0.5000  1
  Tm  Tm5  4  0.1988  0.9480  0.5000  1
  Tm  Tm6  2  0.0000  0.5000  0.5000  1
]