data_[Tb4Pm8Sm12]
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 [C2/m]
_cell_length_a [12.1231]
_cell_length_b [10.0673]
_cell_length_c [6.8236]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.2554]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbPm2Sm3]
_chemical_formula_sum '[Tb4 Pm8 Sm12]'
_cell_volume [819.4972]
_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  0.0225  0.5000  0.7740  1
  Pm  Pm1  4  0.0000  0.1634  0.0000  1
  Pm  Pm2  4  0.0000  0.1894  0.5000  1
  Sm  Sm3  8  0.2296  0.3376  0.2041  1
  Sm  Sm4  4  0.2263  0.0000  0.3288  1
]