data_[Rb1Cu1Pb2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cu  1.9000  1.3500  0.8200
  Pb  2.3300  1.8000  1.1225
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.5720]
_cell_length_b [6.1203]
_cell_length_c [7.7222]
_cell_angle_alpha [94.3521]
_cell_angle_beta [97.0409]
_cell_angle_gamma [97.9201]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbCuPb2F8]
_chemical_formula_sum '[Rb1 Cu1 Pb2 F8]'
_cell_volume [211.4622]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.5000  1
  Cu  Cu1  1  0.0000  0.0000  0.0000  1
  Pb  Pb2  2  0.4735  0.4445  0.2469  1
  F  F3  2  0.0457  0.6697  0.7499  1
  F  F4  2  0.1840  0.2323  0.8990  1
  F  F5  2  0.3214  0.0250  0.1665  1
  F  F6  2  0.4678  0.7124  0.4895  1
]