data_[Tb2Y7Er3]
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/m]
_cell_length_a [5.7899]
_cell_length_b [3.5917]
_cell_length_c [18.7026]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.5843]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Tb2Y7Er3]
_chemical_formula_sum '[Tb2 Y7 Er3]'
_cell_volume [388.1786]
_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  0.2951  0.5000  0.7048  1.0
  Y  Y1  2  0.1834  0.5000  0.1803  1.0
  Y  Y2  2  0.2581  0.5000  0.5369  1.0
  Y  Y3  2  0.3210  0.0000  0.8567  1.0
  Y  Y4  1  0.0000  0.0000  0.0000  1.0
  Er  Er5  2  0.2189  0.0000  0.3676  1.0
  Er  Er6  1  0.5000  0.5000  0.0000  1.0
]