data_[Tb4Pr4Y2Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pr  1.1300  1.8500  1.0600
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.7768]
_cell_length_b [3.5342]
_cell_length_c [11.8945]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.2760]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Pr2YEr2]
_chemical_formula_sum '[Tb4 Pr4 Y2 Er4]'
_cell_volume [467.3139]
_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  0.0505  0.5000  0.7687  1
  Pr  Pr1  4  0.1705  0.5000  0.0855  1
  Y  Y2  2  0.0000  0.0000  0.5000  1
  Er  Er3  4  0.2258  0.0000  0.3650  1
]