data_[Tb4Pm4Tm12]
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 [P2_1/c]
_cell_length_a [9.1499]
_cell_length_b [6.2426]
_cell_length_c [12.2000]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.7222]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [TbPmTm3]
_chemical_formula_sum '[Tb4 Pm4 Tm12]'
_cell_volume [632.9824]
_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  4  0.3518  0.1677  0.4012  1
  Pm  Pm1  4  0.1504  0.1687  0.5993  1
  Tm  Tm2  4  0.0518  0.6659  0.7025  1
  Tm  Tm3  4  0.2516  0.6649  0.5000  1
  Tm  Tm4  4  0.4491  0.6662  0.2986  1
]