data_[Sm8Y4Tm12]
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/m]
_cell_length_a [17.7043]
_cell_length_b [3.4882]
_cell_length_c [14.0976]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.3578]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm2YTm3]
_chemical_formula_sum '[Sm8 Y4 Tm12]'
_cell_volume [773.2309]
_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  4  0.1571  0.5000  0.4690  1
  Sm  Sm1  4  0.1806  0.0000  0.8824  1
  Y  Y2  4  0.0624  0.5000  0.6434  1
  Tm  Tm3  4  0.0394  0.0000  0.2091  1
  Tm  Tm4  4  0.0982  0.5000  0.0255  1
  Tm  Tm5  4  0.2371  0.5000  0.2914  1
]