data_[Si4Ag12O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [8.0597]
_cell_length_b [5.4010]
_cell_length_c [10.7753]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.6606]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [Si2Ag6O7]
_chemical_formula_sum '[Si4 Ag12 O14]'
_cell_volume [426.2715]
_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
[
  Si  Si0  4  0.2001  0.2738  0.3613  1
  Ag  Ag1  4  0.0641  0.2711  0.6067  1
  Ag  Ag2  4  0.3125  0.3107  0.1002  1
  Ag  Ag3  4  0.4466  0.2346  0.8630  1
  O  O4  4  0.1872  0.4188  0.8687  1
  O  O5  4  0.2452  0.1492  0.5123  1
  O  O6  4  0.3568  0.1920  0.3099  1
  O  O7  2  0.0000  0.1653  0.2500  1
]