data_[K8Ag4O8]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.1255]
_cell_length_b [5.7518]
_cell_length_c [11.8448]
_cell_angle_alpha [90.0000]
_cell_angle_beta [132.4686]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [K2AgO2]
_chemical_formula_sum '[K8 Ag4 O8]'
_cell_volume [408.3482]
_cell_formula_units_Z [4]
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  4  0.2578  0.1594  0.9079  1
  K  K1  4  0.3834  0.5474  0.7758  1
  Ag  Ag2  4  0.0832  0.6494  0.9556  1
  O  O3  4  0.2152  0.1745  0.5989  1
  O  O4  4  0.3268  0.7090  0.9556  1
]