data_[Rb2Ag2Pb2F8]
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
  Pb  2.3300  1.8000  1.1225
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.5073]
_cell_length_b [6.0397]
_cell_length_c [7.6238]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.9044]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbAgPbF4]
_chemical_formula_sum '[Rb2 Ag2 Pb2 F8]'
_cell_volume [290.8523]
_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  2  0.3580  0.2500  0.9001  1.0
  Ag  Ag1  2  0.1036  0.2500  0.2628  1.0
  Pb  Pb2  2  0.3062  0.7500  0.5275  1.0
  F  F3  4  0.3994  0.0081  0.3006  1.0
  F  F4  2  0.0812  0.2500  0.5765  1.0
  F  F5  2  0.2463  0.7500  0.8428  1.0
]