data_[Tb2Ho2Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.2670]
_cell_length_b [5.5957]
_cell_length_c [7.2369]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0345]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [TbHoEr2]
_chemical_formula_sum '[Tb2 Ho2 Er4]'
_cell_volume [253.7842]
_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  0.4167  0.2500  0.3742  1.0
  Ho  Ho1  2  0.0831  0.7500  0.8751  1.0
  Er  Er2  2  0.0831  0.7500  0.3746  1.0
  Er  Er3  2  0.4173  0.2500  0.8758  1.0
]