data_[K2Ag2Sn2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ag  1.9300  1.6000  1.0867
  Sn  1.9600  1.4500  0.8300
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.6092]
_cell_length_b [8.6505]
_cell_length_c [9.4829]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.2399]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KAgSnI4]
_chemical_formula_sum '[K2 Ag2 Sn2 I8]'
_cell_volume [596.1489]
_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
[
  K  K0  2  0.2018  0.2500  0.0463  1.0
  Ag  Ag1  2  0.2130  0.7500  0.3217  1.0
  Sn  Sn2  2  0.2114  0.2500  0.5550  1.0
  I  I3  4  0.0232  0.5125  0.7300  1.0
  I  I4  2  0.4701  0.7500  0.1514  1.0
  I  I5  2  0.4900  0.7500  0.6016  1.0
]