data_[Tb12Tm8]
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 [C2/c]
_cell_length_a [11.7800]
_cell_length_b [6.2318]
_cell_length_c [9.1236]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.1160]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tb3Tm2]
_chemical_formula_sum '[Tb12 Tm8]'
_cell_volume [628.9142]
_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  8  0.1988  0.1669  0.1495  1
  Tb  Tb1  4  0.0000  0.1676  0.7500  1
  Tm  Tm2  8  0.1006  0.3348  0.4502  1
]