data_[Tb2Sm6Tm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sm  1.1700  1.8500  1.2290
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [11.2969]
_cell_length_b [7.2554]
_cell_length_c [6.2580]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [TbSm3Tm4]
_chemical_formula_sum '[Tb2 Sm6 Tm8]'
_cell_volume [512.9247]
_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  0.0000  0.3709  0.1469  1
  Sm  Sm1  4  0.2499  0.6275  0.9819  1
  Sm  Sm2  2  0.0000  0.6275  0.6470  1
  Tm  Tm3  4  0.2492  0.1215  0.9808  1
  Tm  Tm4  2  0.0000  0.1214  0.6483  1
  Tm  Tm5  2  0.0000  0.8783  0.1478  1
]