data_[Tb2Y10Er4]
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 [Pbam]
_cell_length_a [7.1106]
_cell_length_b [14.2219]
_cell_length_c [5.0152]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [TbY5Er2]
_chemical_formula_sum '[Tb2 Y10 Er4]'
_cell_volume [507.1694]
_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  2  0.0000  0.5000  0.0000  1
  Y  Y1  4  0.0002  0.2503  0.0000  1
  Y  Y2  4  0.2497  0.3751  0.5000  1
  Y  Y3  2  0.0000  0.0000  0.0000  1
  Er  Er4  4  0.2494  0.6247  0.5000  1
]