data_[Na4Sm4Tl4Br20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sm  1.1700  1.8500  1.2290
  Tl  1.6200  1.9000  1.3325
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.0434]
_cell_length_b [14.0892]
_cell_length_c [10.6591]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.6922]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaSmTlBr5]
_chemical_formula_sum '[Na4 Sm4 Tl4 Br20]'
_cell_volume [1278.6948]
_cell_formula_units_Z [4]
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  4  0.0000  0.3070  0.2500  1.0
  Sm  Sm1  4  0.0000  0.0000  0.0000  1.0
  Tl  Tl2  4  0.0000  0.3852  0.7500  1.0
  Br  Br3  8  0.1290  0.1777  0.1128  1.0
  Br  Br4  8  0.1820  0.4367  0.4512  1.0
  Br  Br5  4  0.0000  0.0827  0.7500  1.0
]