data_[Na4Os2Pb4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Os  2.2000  1.3000  0.6730
  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 [6.2301]
_cell_length_b [10.2387]
_cell_length_c [5.8519]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.6268]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Os(PbO3)2]
_chemical_formula_sum '[Na4 Os2 Pb4 O12]'
_cell_volume [361.1826]
_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  0.0000  0.1446  0.0000  1.0
  Os  Os1  2  0.0000  0.0000  0.5000  1.0
  Pb  Pb2  4  0.0000  0.3373  0.5000  1.0
  O  O3  8  0.1808  0.1414  0.6897  1.0
  O  O4  4  0.2027  0.0000  0.2941  1.0
]