data_[Sr4Sn2Bi4]
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 [P4/mbm]
_cell_length_a [8.4266]
_cell_length_b [8.4266]
_cell_length_c [4.9839]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Sr2SnBi2]
_chemical_formula_sum '[Sr4 Sn2 Bi4]'
_cell_volume [353.8932]
_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
[
  Sr  Sr0  4  0.1737  0.3263  0.5000  1.0
  Sn  Sn1  2  0.0000  0.0000  0.0000  1.0
  Bi  Bi2  4  0.1323  0.6323  0.0000  1.0
]