data_[Sm12Sn2Bi4Te6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Sn  1.9600  1.4500  0.8300
  Bi  2.0200  1.6000  1.0350
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.5645]
_cell_length_b [4.5127]
_cell_length_c [8.9946]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.9699]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm6SnBi2Te3]
_chemical_formula_sum '[Sm12 Sn2 Bi4 Te6]'
_cell_volume [773.8639]
_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
[
  Sm  Sm0  4  0.0003  0.0000  0.7605  1.0
  Sm  Sm1  4  0.1620  0.5000  0.0815  1.0
  Sm  Sm2  4  0.1669  0.5000  0.5817  1.0
  Sn  Sn3  2  0.0000  0.5000  0.0000  1.0
  Bi  Bi4  4  0.1667  0.0000  0.3335  1.0
  Te  Te5  4  0.1684  0.0000  0.8333  1.0
  Te  Te6  2  0.0000  0.5000  0.5000  1.0
]