data_[K8Sn2O8]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.6007]
_cell_length_b [6.6089]
_cell_length_c [9.9143]
_cell_angle_alpha [80.2469]
_cell_angle_beta [71.6750]
_cell_angle_gamma [67.3255]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [K4SnO4]
_chemical_formula_sum '[K8 Sn2 O8]'
_cell_volume [378.2525]
_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  0.0434  0.2708  0.3888  1.0
  K  K1  2  0.2381  0.2567  0.9794  1.0
  K  K2  2  0.4040  0.7610  0.8291  1.0
  K  K3  2  0.4844  0.2304  0.5617  1.0
  Sn  Sn4  2  0.1555  0.7772  0.2456  1.0
  O  O5  2  0.1553  0.6389  0.0825  1.0
  O  O6  2  0.1572  0.0369  0.6447  1.0
  O  O7  2  0.2963  0.5320  0.3761  1.0
  O  O8  2  0.3489  0.9651  0.1932  1.0
]