data_[K6B6W3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  B  2.0400  0.8500  0.4100
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.3067]
_cell_length_b [5.3067]
_cell_length_c [17.8643]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [K2B2WO6]
_chemical_formula_sum '[K6 B6 W3 O18]'
_cell_volume [435.6817]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.2912  1.0
  B  B1  6  0.0000  0.0000  0.8999  1.0
  W  W2  3  -0.0000  -0.0000  0.5000  1.0
  O  O3  18  0.0329  0.5165  0.7674  1.0
]