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 [4.5845]
_cell_length_b [6.1864]
_cell_length_c [7.7484]
_cell_angle_alpha [93.9279]
_cell_angle_beta [97.2882]
_cell_angle_gamma [98.2677]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbCuPb2F8]
_chemical_formula_sum '[Rb1 Cu1 Pb2 F8]'
_cell_volume [214.8727]
_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  1.0
  Cu  Cu1  1  0.0000  0.0000  0.0000  1.0
  Pb  Pb2  2  0.4733  0.4438  0.2482  1.0
  F  F3  2  0.0458  0.6696  0.7498  1.0
  F  F4  2  0.1828  0.2309  0.8997  1.0
  F  F5  2  0.3199  0.0251  0.1659  1.0
  F  F6  2  0.4680  0.7116  0.4896  1.0
]