data_[Ba3Si6W3O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Si  1.9000  1.1000  0.5400
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [4.9688]
_cell_length_b [4.9688]
_cell_length_c [24.8238]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [BaSi2WO8]
_chemical_formula_sum '[Ba3 Si6 W3 O24]'
_cell_volume [530.7750]
_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
[
  Ba  Ba0  3  -0.0000  0.0000  0.5000  1.0
  Si  Si1  6  0.0000  0.0000  0.2625  1.0
  W  W2  3  0.0000  0.0000  0.0000  1.0
  O  O3  18  0.0038  0.6200  0.3792  1.0
  O  O4  6  0.0000  0.0000  0.1983  1.0
]