data_[Rb2Pb2F6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [4.7648]
_cell_length_b [4.7663]
_cell_length_c [9.8511]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.8132]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbPbF3]
_chemical_formula_sum '[Rb2 Pb2 F6]'
_cell_volume [223.6119]
_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  0.2619  0.2500  0.6474  1.0
  Pb  Pb1  2  0.2293  0.2500  0.1395  1.0
  F  F2  2  0.2253  0.7500  0.1818  1.0
  F  F3  2  0.2475  0.2500  0.3668  1.0
  F  F4  2  0.2674  0.7500  0.8179  1.0
]