data_[Tb7Pr2Er3]
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 [5.7820]
_cell_length_b [3.5921]
_cell_length_c [18.8323]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.5437]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Tb7Pr2Er3]
_chemical_formula_sum '[Tb7 Pr2 Er3]'
_cell_volume [390.3916]
_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  0.1804  0.5000  0.1748  1.0
  Tb  Tb1  2  0.2583  0.5000  0.5374  1.0
  Tb  Tb2  2  0.3220  0.0000  0.8582  1.0
  Tb  Tb3  1  0.0000  0.0000  0.0000  1.0
  Pr  Pr4  2  0.2955  0.5000  0.7055  1.0
  Er  Er5  2  0.2192  0.0000  0.3706  1.0
  Er  Er6  1  0.5000  0.5000  0.0000  1.0
]