data_[Cs3Cr6Pb6O21]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Cr  1.6600  1.4000  0.9400
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R32]
_cell_length_a [5.9495]
_cell_length_b [5.9495]
_cell_length_c [25.7847]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [155]
_chemical_formula_structural [CsCr2Pb2O7]
_chemical_formula_sum '[Cs3 Cr6 Pb6 O21]'
_cell_volume [790.4207]
_cell_formula_units_Z [3]
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
[
  Cs  Cs0  3  0.0000  0.0000  0.5000  1
  Cr  Cr1  6  0.0000  0.0000  0.0705  1
  Pb  Pb2  6  0.0000  0.0000  0.2919  1
  O  O3  18  0.0179  0.4413  0.5767  1
  O  O4  3  0.0000  0.0000  0.0000  1
]