data_[K1Sn2Bi1F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sn  1.9600  1.4500  0.8300
  Bi  2.0200  1.6000  1.0350
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.1252]
_cell_length_b [4.2301]
_cell_length_c [8.3547]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.7485]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [KSn2BiF8]
_chemical_formula_sum '[K1 Sn2 Bi1 F8]'
_cell_volume [216.0090]
_cell_formula_units_Z [1]
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
[
  K  K0  1  0.0000  0.0000  0.5000  1.0
  Sn  Sn1  2  0.4744  0.5000  0.2609  1.0
  Bi  Bi2  1  0.0000  0.0000  0.0000  1.0
  F  F3  2  0.1985  0.5000  0.0511  1.0
  F  F4  2  0.2158  0.0000  0.7898  1.0
  F  F5  2  0.2736  0.5000  0.4629  1.0
  F  F6  2  0.2862  0.0000  0.2282  1.0
]