data_[Tb3Er3Si3S3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Er  1.2400  1.7500  1.0300
  Si  1.9000  1.1000  0.5400
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [4.0048]
_cell_length_b [4.0048]
_cell_length_c [19.9043]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [TbErSiS]
_chemical_formula_sum '[Tb3 Er3 Si3 S3]'
_cell_volume [276.4704]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.3066  1.0
  Er  Er1  3  0.0000  0.0000  0.8053  1.0
  Si  Si2  3  0.0000  0.0000  0.0571  1.0
  S  S3  3  0.0000  0.0000  0.5546  1.0
]