data_[Nb8Ag8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  Ag  1.9300  1.6000  1.0867
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [7.9390]
_cell_length_b [7.9951]
_cell_length_c [8.0123]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [NbAgO3]
_chemical_formula_sum '[Nb8 Ag8 O24]'
_cell_volume [508.5682]
_cell_formula_units_Z [8]
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
[
  Nb  Nb0  8  0.2500  0.2500  0.0000  1.0
  Ag  Ag1  4  0.0000  0.0044  0.7500  1.0
  Ag  Ag2  4  0.0000  0.4965  0.2500  1.0
  O  O3  8  0.0000  0.2081  0.0307  1.0
  O  O4  8  0.2061  0.5000  0.0000  1.0
  O  O5  8  0.2191  0.2419  0.7500  1.0
]