data_[Li2Tb4Sm4]
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
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.3759]
_cell_length_b [4.3759]
_cell_length_c [17.6731]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Li(TbSm)2]
_chemical_formula_sum '[Li2 Tb4 Sm4]'
_cell_volume [338.4099]
_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  0.0000  0.0000  1
  Tb  Tb1  4  0.0000  0.5000  0.2500  1
  Sm  Sm2  4  0.0000  0.0000  0.4088  1
]