data_[Tb1Dy3Si4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Dy  1.2200  1.7500  1.1310
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Pm]
_cell_length_a [5.7080]
_cell_length_b [3.8387]
_cell_length_c [7.9154]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0153]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [6]
_chemical_formula_structural [TbDy3Si4]
_chemical_formula_sum '[Tb1 Dy3 Si4]'
_cell_volume [173.4375]
_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  0.3851  0.0000  0.8209  1
  Dy  Dy1  1  0.1150  0.0000  0.3209  1
  Dy  Dy2  1  0.6150  0.5000  0.1791  1
  Dy  Dy3  1  0.8850  0.5000  0.6790  1
  Si  Si4  1  0.1287  0.5000  0.0382  1
  Si  Si5  1  0.3711  0.5000  0.5378  1
  Si  Si6  1  0.6289  0.0000  0.4619  1
  Si  Si7  1  0.8712  0.0000  0.9621  1
]