data_[Li4Tb2Al2Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Tb  1.1000  1.7500  0.9815
  Al  1.6100  1.2500  0.6750
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.4545]
_cell_length_b [8.4310]
_cell_length_c [7.3728]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Li2TbAlSn2]
_chemical_formula_sum '[Li4 Tb2 Al2 Sn4]'
_cell_volume [276.8891]
_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
[
  Li  Li0  2  0.0000  0.1656  0.3547  1.0
  Li  Li1  2  0.5000  0.0805  0.0249  1.0
  Tb  Tb2  2  0.0000  0.4469  0.9886  1.0
  Al  Al3  2  0.5000  0.3230  0.6626  1.0
  Sn  Sn4  2  0.0000  0.1467  0.7414  1.0
  Sn  Sn5  2  0.5000  0.3532  0.2733  1.0
]