data_[Tb4Er10Bi8]
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
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [25.0342]
_cell_length_b [3.4799]
_cell_length_c [8.0800]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.2924]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Er5Bi4]
_chemical_formula_sum '[Tb4 Er10 Bi8]'
_cell_volume [703.7206]
_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  0.2326  0.5000  0.8200  1
  Er  Er1  4  0.1390  0.0000  0.0519  1
  Er  Er2  4  0.1718  0.0000  0.4863  1
  Er  Er3  2  0.0000  0.5000  0.0000  1
  Bi  Bi4  4  0.0499  0.0000  0.3079  1
  Bi  Bi5  4  0.0984  0.5000  0.7367  1
]