data_[Sn2Bi8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sn  1.9600  1.4500  0.8300
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [6.6360]
_cell_length_b [12.6997]
_cell_length_c [6.4969]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.7340]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Sn(Bi2Pb)2]
_chemical_formula_sum '[Sn2 Bi8 Pb4]'
_cell_volume [475.4338]
_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
[
  Sn  Sn0  2  0.0012  0.0000  0.0414  1.0
  Bi  Bi1  4  0.4755  0.2504  0.0415  1.0
  Bi  Bi2  2  0.0436  0.5000  0.1899  1.0
  Bi  Bi3  2  0.4466  0.0000  0.6197  1.0
  Pb  Pb4  4  0.0289  0.1576  0.5330  1.0
]