data_[Tb8Tm10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [11.3256]
_cell_length_b [5.4497]
_cell_length_c [21.9915]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Tb4Tm5]
_chemical_formula_sum '[Tb8 Tm10]'
_cell_volume [1357.3342]
_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  2  0.0017  0.5000  0.3794  1
  Tb  Tb1  2  0.0327  0.0000  0.4789  1
  Tb  Tb2  2  0.1734  0.0000  0.3391  1
  Tb  Tb3  2  0.3066  0.5000  0.3949  1
  Tm  Tm4  2  0.1365  0.5000  0.5225  1
  Tm  Tm5  2  0.1610  0.0000  0.6196  1
  Tm  Tm6  2  0.3356  0.0000  0.5027  1
  Tm  Tm7  2  0.3590  0.5000  0.6059  1
  Tm  Tm8  2  0.4936  0.0000  0.6571  1
]