data_[Na6Ni2Pb4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ni  1.9100  1.3500  0.7400
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.6566]
_cell_length_b [3.3596]
_cell_length_c [6.7532]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.9428]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3Ni(PbO3)2]
_chemical_formula_sum '[Na6 Ni2 Pb4 O12]'
_cell_volume [321.2890]
_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
[
  Na  Na0  4  0.1602  0.0000  0.8320  1.0
  Na  Na1  2  0.0000  0.5000  0.5000  1.0
  Ni  Ni2  2  0.0000  0.5000  0.0000  1.0
  Pb  Pb3  4  0.1593  0.0000  0.3169  1.0
  O  O4  4  0.0050  0.0000  0.2176  1.0
  O  O5  4  0.1549  0.5000  0.0894  1.0
  O  O6  4  0.1748  0.5000  0.5664  1.0
]