data_[Na4V2Ag2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  V  1.6300  1.3500  0.7775
  Ag  1.9300  1.6000  1.0867
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [7.0743]
_cell_length_b [6.1301]
_cell_length_c [5.7421]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Na2VAgO4]
_chemical_formula_sum '[Na4 V2 Ag2 O8]'
_cell_volume [249.0089]
_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
[
  Na  Na0  4  0.2476  0.6783  0.9978  1.0
  V  V1  2  0.0000  0.1746  0.0014  1.0
  Ag  Ag2  2  0.0000  0.8241  0.4953  1.0
  O  O3  4  0.2027  0.3129  0.9011  1.0
  O  O4  2  0.0000  0.1790  0.3042  1.0
  O  O5  2  0.0000  0.9048  0.9012  1.0
]