data_[Rb2V2Pb2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  V  1.6300  1.3500  0.7775
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.4842]
_cell_length_b [6.1557]
_cell_length_c [7.6104]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.9016]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbVPbO4]
_chemical_formula_sum '[Rb2 V2 Pb2 O8]'
_cell_volume [289.0639]
_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  0.2908  0.7500  0.0514  1.0
  V  V1  2  0.2612  0.2500  0.3239  1.0
  Pb  Pb2  2  0.2150  0.7500  0.5258  1.0
  O  O3  4  0.0930  0.0183  0.2979  1.0
  O  O4  2  0.4048  0.2500  0.1682  1.0
  O  O5  2  0.4502  0.2500  0.5446  1.0
]