data_[Sm8Er4Tm10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.0243]
_cell_length_b [5.6121]
_cell_length_c [6.5201]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.2786]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm4Er2Tm5]
_chemical_formula_sum '[Sm8 Er4 Tm10]'
_cell_volume [695.9580]
_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  4  0.0225  0.0000  0.2840  1
  Sm  Sm1  4  0.1943  0.5000  0.0728  1
  Er  Er2  4  0.0987  0.5000  0.5547  1
  Tm  Tm3  4  0.1304  0.0000  0.8870  1
  Tm  Tm4  4  0.2090  0.0000  0.4015  1
  Tm  Tm5  2  0.0000  0.5000  0.0000  1
]