data_[Tb2Sm1Ho1Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sm  1.1700  1.8500  1.2290
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.9981]
_cell_length_b [4.9981]
_cell_length_c [9.9973]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Tb2SmHoEr4]
_chemical_formula_sum '[Tb2 Sm1 Ho1 Er4]'
_cell_volume [249.7406]
_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  1  0.0000  0.0000  0.0000  1.0
  Tb  Tb1  1  0.5000  0.5000  0.5000  1.0
  Sm  Sm2  1  0.5000  0.5000  0.0000  1.0
  Ho  Ho3  1  0.0000  0.0000  0.5000  1.0
  Er  Er4  4  0.0000  0.5000  0.2517  1.0
]