data_[Rb6Ag2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ag  1.9300  1.6000  1.0867
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [10.8796]
_cell_length_b [5.6789]
_cell_length_c [5.6769]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Rb3AgF4]
_chemical_formula_sum '[Rb6 Ag2 F8]'
_cell_volume [350.7434]
_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
[
  Rb  Rb0  4  0.2500  0.2508  0.5685  1.0
  Rb  Rb1  2  0.0000  0.7506  0.5652  1.0
  Ag  Ag2  2  0.0000  0.2242  0.0927  1.0
  F  F3  4  0.2201  0.2526  0.0652  1.0
  F  F4  2  0.0000  0.2534  0.5290  1.0
  F  F5  2  0.0000  0.7884  0.0610  1.0
]