data_[Sm20Y8Tm12]
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 [Ibam]
_cell_length_a [9.3629]
_cell_length_b [21.8394]
_cell_length_c [6.7922]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Sm5Y2Tm3]
_chemical_formula_sum '[Sm20 Y8 Tm12]'
_cell_volume [1388.8613]
_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  0.0000  0.2497  0.2500  1
  Sm  Sm1  8  0.0965  0.3757  0.0000  1
  Sm  Sm2  4  0.0000  0.5000  0.2500  1
  Y  Y3  8  0.0934  0.1239  0.5000  1
  Tm  Tm4  8  0.2474  0.1202  0.0000  1
  Tm  Tm5  4  0.0000  0.0000  0.2500  1
]