data_[Sm20Tl8Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Tl  1.6200  1.9000  1.3325
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [16.1147]
_cell_length_b [8.3989]
_cell_length_c [8.3876]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Sm5(TlBi)2]
_chemical_formula_sum '[Sm20 Tl8 Bi8]'
_cell_volume [1135.2204]
_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
[
  Sm  Sm0  16  0.1354  0.1707  0.6669  1.0
  Sm  Sm1  4  0.0000  0.0000  0.0000  1.0
  Tl  Tl2  8  0.0000  0.1309  0.3702  1.0
  Bi  Bi3  8  0.2045  0.0000  0.0000  1.0
]