data_[Tb3Y2Er7]
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 [6.2857]
_cell_length_b [3.4950]
_cell_length_c [17.3299]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.2221]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Tb3Y2Er7]
_chemical_formula_sum '[Tb3 Y2 Er7]'
_cell_volume [378.4699]
_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  0.4486  0.0000  0.3426  1
  Tb  Tb1  1  0.5000  0.5000  0.0000  1
  Y  Y2  2  0.0604  0.5000  0.6739  1
  Er  Er3  2  0.2249  0.5000  0.1666  1
  Er  Er4  2  0.2547  0.5000  0.4991  1
  Er  Er5  2  0.2744  0.0000  0.8356  1
  Er  Er6  1  0.0000  0.0000  0.0000  1
]