data_[Tb10Sm2Sb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sm  1.1700  1.8500  1.2290
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.7977]
_cell_length_b [4.3409]
_cell_length_c [8.5020]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.9733]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb5SmSb4]
_chemical_formula_sum '[Tb10 Sm2 Sb8]'
_cell_volume [666.9674]
_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  0.1619  0.0000  0.8265  1
  Tb  Tb1  4  0.1773  0.0000  0.3494  1
  Tb  Tb2  2  0.0000  0.5000  0.5000  1
  Sm  Sm3  2  0.0000  0.5000  0.0000  1
  Sb  Sb4  4  0.0085  0.0000  0.2611  1
  Sb  Sb5  4  0.1712  0.5000  0.0900  1
]