data_[Sr12Sn8Bi16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Sn  1.9600  1.4500  0.8300
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [15.2709]
_cell_length_b [12.5653]
_cell_length_c [6.9934]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.9020]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Sr3(SnBi2)2]
_chemical_formula_sum '[Sr12 Sn8 Bi16]'
_cell_volume [1340.1991]
_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
[
  Sr  Sr0  8  0.1313  0.1244  0.4176  1.0
  Sr  Sr1  4  0.0000  0.3970  0.7500  1.0
  Sn  Sn2  8  0.2104  0.3729  0.0086  1.0
  Bi  Bi3  8  0.0851  0.1521  0.9107  1.0
  Bi  Bi4  8  0.1517  0.4001  0.4057  1.0
]