data_[K4W2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.4917]
_cell_length_b [6.7934]
_cell_length_c [7.3864]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.2712]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [K2WO4]
_chemical_formula_sum '[K4 W2 O8]'
_cell_volume [307.4944]
_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  0.2080  0.2500  0.4350  1.0
  K  K1  2  0.3434  0.2500  0.9893  1.0
  W  W2  2  0.2232  0.7500  0.1944  1.0
  O  O3  4  0.4021  0.5354  0.2492  1.0
  O  O4  2  0.0323  0.7500  0.3280  1.0
  O  O5  2  0.0691  0.7500  0.9402  1.0
]