data_[Sm10Er6Tm8]
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 [9.7032]
_cell_length_b [5.7466]
_cell_length_c [14.7952]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.0287]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm5Er3Tm4]
_chemical_formula_sum '[Sm10 Er6 Tm8]'
_cell_volume [779.9117]
_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  0.0450  0.5000  0.7461  1
  Sm  Sm1  4  0.1670  0.5000  0.9985  1
  Sm  Sm2  2  0.0000  0.0000  0.5000  1
  Er  Er3  4  0.2056  0.0000  0.7498  1
  Er  Er4  2  0.0000  0.5000  0.5000  1
  Tm  Tm5  4  0.0614  0.0000  0.1239  1
  Tm  Tm6  4  0.1771  0.0000  0.3562  1
]