data_[K4Se2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.3848]
_cell_length_b [6.4092]
_cell_length_c [8.8590]
_cell_angle_alpha [105.7275]
_cell_angle_beta [90.5110]
_cell_angle_gamma [113.5996]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [K2SeO3]
_chemical_formula_sum '[K4 Se2 O6]'
_cell_volume [267.2829]
_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  0.1796  0.8503  0.1000  1
  K  K1  2  0.4049  0.3604  0.6710  1
  Se  Se2  2  0.0920  0.7537  0.6868  1
  O  O3  2  0.0009  0.5409  0.7865  1
  O  O4  2  0.2108  0.2316  0.3601  1
  O  O5  2  0.2678  0.0218  0.8339  1
]