data_[Mg4Pb4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.3102]
_cell_length_b [15.1337]
_cell_length_c [5.2646]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [MgPbO3]
_chemical_formula_sum '[Mg4 Pb4 O12]'
_cell_volume [263.7301]
_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
[
  Mg  Mg0  4  0.0000  0.0294  0.0140  1.0
  Pb  Pb1  4  0.0000  0.3334  0.9881  1.0
  O  O2  4  0.0000  0.0996  0.6886  1.0
  O  O3  4  0.0000  0.2242  0.2662  1.0
  O  O4  4  0.0000  0.4509  0.7490  1.0
]