data_[Tb8Sm2Er4Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  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 [17.1126]
_cell_length_b [3.5581]
_cell_length_c [9.5729]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.7185]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb4Sm(ErTm)2]
_chemical_formula_sum '[Tb8 Sm2 Er4 Tm4]'
_cell_volume [570.7358]
_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
[
  Tb  Tb0  4  0.0157  0.5000  0.3264  1.0
  Tb  Tb1  4  0.1790  0.0000  0.2442  1.0
  Sm  Sm2  2  0.0000  0.0000  0.0000  1.0
  Er  Er3  4  0.1501  0.0000  0.5940  1.0
  Tm  Tm4  4  0.1641  0.5000  0.9222  1.0
]