data_[K2Ag4Sb2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ag  1.9300  1.6000  1.0867
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I222]
_cell_length_a [6.0800]
_cell_length_b [6.1835]
_cell_length_c [7.4542]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [23]
_chemical_formula_structural [KAg2SbO4]
_chemical_formula_sum '[K2 Ag4 Sb2 O8]'
_cell_volume [280.2462]
_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  0.0000  0.0000  0.0000  1
  Ag  Ag1  4  0.0000  0.5000  0.2013  1
  Sb  Sb2  2  0.0000  0.0000  0.5000  1
  O  O3  8  0.1812  0.1794  0.3487  1
]