data_[Zr6Ag6O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Ag  1.9300  1.6000  1.0867
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3c]
_cell_length_a [5.5769]
_cell_length_b [5.5769]
_cell_length_c [15.0619]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [161]
_chemical_formula_structural [ZrAgO3]
_chemical_formula_sum '[Zr6 Ag6 O18]'
_cell_volume [405.6968]
_cell_formula_units_Z [6]
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
[
  Zr  Zr0  6  0.0000  0.0000  0.0007  1
  Ag  Ag1  6  0.0000  0.0000  0.2088  1
  O  O2  18  0.0128  0.3904  0.7642  1
]