data_[Tb1Pm7Sm3]
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
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [7.2111]
_cell_length_b [7.2111]
_cell_length_c [8.7473]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [TbPm7Sm3]
_chemical_formula_sum '[Tb1 Pm7 Sm3]'
_cell_volume [393.9239]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.5563  1
  Pm  Pm1  3  0.1661  0.3321  0.8855  1
  Pm  Pm2  3  0.5005  0.0009  0.5475  1
  Pm  Pm3  1  0.6667  0.3333  0.8769  1
  Sm  Sm4  3  0.3327  0.1664  0.2175  1
]