data_[Tb4Tm12Sb8]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.0618]
_cell_length_b [4.2515]
_cell_length_c [9.6430]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.5251]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbTm3Sb2]
_chemical_formula_sum '[Tb4 Tm12 Sb8]'
_cell_volume [678.9410]
_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  0.1100  0.0000  0.1159  1
  Tm  Tm1  4  0.0563  0.0000  0.6741  1
  Tm  Tm2  4  0.1421  0.5000  0.4772  1
  Tm  Tm3  4  0.1883  0.5000  0.8913  1
  Sb  Sb4  4  0.0102  0.5000  0.8454  1
  Sb  Sb5  4  0.2496  0.0000  0.7180  1
]