data_[Tb4Ho2Er4]
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 [P4/mbm]
_cell_length_a [9.1979]
_cell_length_b [9.1979]
_cell_length_c [3.7041]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Tb2HoEr2]
_chemical_formula_sum '[Tb4 Ho2 Er4]'
_cell_volume [313.3790]
_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  4  0.1284  0.6284  0.0000  1
  Ho  Ho1  2  0.0000  0.0000  0.0000  1
  Er  Er2  4  0.1701  0.3299  0.5000  1
]