data_[Ac4Sn2Bi6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Sn  1.9600  1.4500  0.8300
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.7242]
_cell_length_b [6.8374]
_cell_length_c [14.6384]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ac2SnBi3]
_chemical_formula_sum '[Ac4 Sn2 Bi6]'
_cell_volume [472.8329]
_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
[
  Ac  Ac0  4  0.0000  0.5000  0.3343  1
  Sn  Sn1  2  0.0000  0.5000  0.0000  1
  Bi  Bi2  4  0.0000  0.0000  0.3376  1
  Bi  Bi3  2  0.0000  0.0000  0.0000  1
]