data_[Sm2Y8Tm8]
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 [15.5849]
_cell_length_b [5.6312]
_cell_length_c [6.9563]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.3776]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm(YTm)4]
_chemical_formula_sum '[Sm2 Y8 Tm8]'
_cell_volume [598.4946]
_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
[
  Sm  Sm0  2  0.0000  0.0000  0.0000  1
  Y  Y1  4  0.1162  0.5000  0.1874  1
  Y  Y2  4  0.1787  0.0000  0.4689  1
  Tm  Tm3  4  0.1001  0.5000  0.7018  1
  Tm  Tm4  4  0.2013  0.0000  0.9862  1
]