data_[Tb6Nd2Sm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [11.6566]
_cell_length_b [7.3016]
_cell_length_c [6.3378]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Tb3NdSm4]
_chemical_formula_sum '[Tb6 Nd2 Sm8]'
_cell_volume [539.4204]
_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  0.2500  0.6239  0.5194  1.0
  Tb  Tb1  2  0.0000  0.3762  0.3521  1.0
  Nd  Nd2  2  0.0000  0.6247  0.8519  1.0
  Sm  Sm3  4  0.2481  0.1254  0.5189  1.0
  Sm  Sm4  2  0.0000  0.1266  0.8539  1.0
  Sm  Sm5  2  0.0000  0.8740  0.3502  1.0
]