data_[Tb2Sm6Er8]
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
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [11.3548]
_cell_length_b [7.2601]
_cell_length_c [6.2906]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [TbSm3Er4]
_chemical_formula_sum '[Tb2 Sm6 Er8]'
_cell_volume [518.5841]
_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  0.6286  0.8531  1.0
  Sm  Sm1  4  0.2500  0.6272  0.5183  1.0
  Sm  Sm2  2  0.0000  0.3726  0.3528  1.0
  Er  Er3  4  0.2492  0.8780  0.0192  1.0
  Er  Er4  2  0.0000  0.1221  0.8521  1.0
  Er  Er5  2  0.0000  0.8783  0.3519  1.0
]