data_[Tb8Y4Er2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.2389]
_cell_length_b [6.5052]
_cell_length_c [11.4756]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.4627]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Tb4Y2Er]
_chemical_formula_sum '[Tb8 Y4 Er2]'
_cell_volume [448.8827]
_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  0.3424  0.0057  0.7138  1
  Tb  Tb1  2  0.0396  0.7500  0.8647  1
  Tb  Tb2  2  0.1418  0.7500  0.4487  1
  Y  Y3  2  0.2951  0.2500  0.4233  1
  Y  Y4  2  0.3860  0.2500  0.0054  1
  Er  Er5  2  0.1624  0.7500  0.1656  1
]