data_[Tb2Pr2Al2Si2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pr  1.1300  1.8500  1.0600
  Al  1.6100  1.2500  0.6750
  Si  1.9000  1.1000  0.5400
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.0434]
_cell_length_b [4.4366]
_cell_length_c [11.1852]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [TbPrAlSi]
_chemical_formula_sum '[Tb2 Pr2 Al2 Si2]'
_cell_volume [200.6515]
_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  0.5000  0.0000  0.1386  1.0
  Pr  Pr1  2  0.0000  0.0000  0.8550  1.0
  Al  Al2  2  0.5000  0.0000  0.4331  1.0
  Si  Si3  2  0.0000  0.0000  0.5733  1.0
]