data_[Sm12Y4Tm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Y  1.2200  1.8000  1.0400
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [17.7435]
_cell_length_b [7.2081]
_cell_length_c [6.2431]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.5996]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Sm3YTm2]
_chemical_formula_sum '[Sm12 Y4 Tm8]'
_cell_volume [776.0808]
_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
[
  Sm  Sm0  8  0.1680  0.1247  0.0276  1.0
  Sm  Sm1  4  0.0000  0.1266  0.2500  1.0
  Y  Y2  4  0.0000  0.3762  0.7500  1.0
  Tm  Tm3  8  0.1669  0.3754  0.5275  1.0
]