data_[Pb4C4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pb  2.3300  1.8000  1.1225
  C  2.5500  0.7000  0.3000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.2602]
_cell_length_b [8.5654]
_cell_length_c [6.2813]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0817]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [PbCO3]
_chemical_formula_sum '[Pb4 C4 O12]'
_cell_volume [283.0083]
_cell_formula_units_Z [4]
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
[
  Pb  Pb0  4  0.2480  0.0801  0.2506  1.0
  C  C1  4  0.2581  0.7276  0.4064  1.0
  O  O2  4  0.0448  0.6963  0.9056  1.0
  O  O3  4  0.2567  0.5753  0.3962  1.0
  O  O4  4  0.4733  0.6978  0.9059  1.0
]