data_[Tb6Sm4Y8]
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
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.9226]
_cell_length_b [3.5350]
_cell_length_c [9.6674]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.2945]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb3(SmY2)2]
_chemical_formula_sum '[Tb6 Sm4 Y8]'
_cell_volume [593.5270]
_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  0.1702  0.0000  0.8996  1
  Tb  Tb1  2  0.0000  0.0000  0.0000  1
  Sm  Sm2  4  0.1593  0.5000  0.2096  1
  Y  Y3  4  0.0125  0.5000  0.6792  1
  Y  Y4  4  0.1543  0.0000  0.5277  1
]