data_[Sm12Tl8Sn4]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [16.4514]
_cell_length_b [6.5216]
_cell_length_c [6.6243]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.3404]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Sm3Tl2Sn]
_chemical_formula_sum '[Sm12 Tl8 Sn4]'
_cell_volume [694.2970]
_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  8  0.1682  0.1161  0.5933  1.0
  Sm  Sm1  4  0.0000  0.3604  0.2500  1.0
  Tl  Tl2  8  0.1661  0.3825  0.0617  1.0
  Sn  Sn3  4  0.0000  0.1389  0.7500  1.0
]