data_[Tb3Pr1Er7]
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
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.9170]
_cell_length_b [5.5026]
_cell_length_c [9.8788]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4905]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Tb3PrEr7]
_chemical_formula_sum '[Tb3 Pr1 Er7]'
_cell_volume [354.4573]
_cell_formula_units_Z [1]
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  2  0.2221  0.5000  0.0048  1
  Tb  Tb1  1  0.0000  0.0000  0.5000  1
  Pr  Pr2  1  0.5000  0.0000  0.5000  1
  Er  Er3  2  0.0729  0.0000  0.1685  1
  Er  Er4  2  0.1767  0.5000  0.3577  1
  Er  Er5  2  0.3501  0.5000  0.7106  1
  Er  Er6  1  0.5000  0.0000  0.0000  1
]