data_[Tb6Nd4Tm2Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Nd  1.1400  1.8500  1.2765
  Tm  1.2500  1.7500  1.0950
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.0231]
_cell_length_b [4.1056]
_cell_length_c [8.3051]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.4800]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb3Nd2TmSe6]
_chemical_formula_sum '[Tb6 Nd4 Tm2 Se12]'
_cell_volume [597.6194]
_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  0.1719  0.0000  0.8339  1.0
  Tb  Tb1  2  0.0000  0.5000  0.5000  1.0
  Nd  Nd2  4  0.1698  0.0000  0.3378  1.0
  Tm  Tm3  2  0.0000  0.5000  0.0000  1.0
  Se  Se4  4  0.0037  0.0000  0.7580  1.0
  Se  Se5  4  0.1620  0.5000  0.0729  1.0
  Se  Se6  4  0.1623  0.5000  0.5899  1.0
]