data_[Na6Li3Tb3Br18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Li  0.9800  1.4500  0.9000
  Tb  1.1000  1.7500  0.9815
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.3269]
_cell_length_b [7.3269]
_cell_length_c [19.5587]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Na2LiTbBr6]
_chemical_formula_sum '[Na6 Li3 Tb3 Br18]'
_cell_volume [909.3065]
_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
[
  Na  Na0  3  0.0000  0.0000  0.0180  1.0
  Na  Na1  3  0.0000  0.0000  0.5237  1.0
  Li  Li2  3  0.0000  0.0000  0.8129  1.0
  Tb  Tb3  3  0.0000  0.0000  0.3244  1.0
  Br  Br4  9  0.0092  0.3784  0.5801  1.0
  Br  Br5  9  0.0125  0.6365  0.0810  1.0
]