data_[Tb12Er8Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  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 [16.8161]
_cell_length_b [5.5959]
_cell_length_c [9.6264]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.6457]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb3Er2Tm]
_chemical_formula_sum '[Tb12 Er8 Tm4]'
_cell_volume [745.2378]
_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
[
  Tb  Tb0  4  0.0003  0.0000  0.6692  1.0
  Tb  Tb1  4  0.1248  0.5000  0.6215  1.0
  Tb  Tb2  4  0.2485  0.5000  0.0776  1.0
  Er  Er3  4  0.0000  0.5000  0.8356  1.0
  Er  Er4  4  0.2489  0.5000  0.4119  1.0
  Tm  Tm5  4  0.1249  0.0000  0.1281  1.0
]