data_[Tb12Y4Tm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Y  1.2200  1.8000  1.0400
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [21.9359]
_cell_length_b [3.6369]
_cell_length_c [11.1599]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.4434]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb3YTm2]
_chemical_formula_sum '[Tb12 Y4 Tm8]'
_cell_volume [767.5783]
_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  0.0547  0.0000  0.6801  1.0
  Tb  Tb1  4  0.1124  0.5000  0.4851  1.0
  Tb  Tb2  4  0.2224  0.5000  0.8459  1.0
  Y  Y3  4  0.1100  0.5000  0.9872  1.0
  Tm  Tm4  4  0.0562  0.0000  0.1809  1.0
  Tm  Tm5  4  0.2217  0.5000  0.3481  1.0
]