data_[Mg4Pb2I12]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.1037]
_cell_length_b [4.5401]
_cell_length_c [12.4342]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.2374]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Mg2PbI6]
_chemical_formula_sum '[Mg4 Pb2 I12]'
_cell_volume [849.0833]
_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
[
  Mg  Mg0  4  0.2151  0.5000  0.2289  1.0
  Pb  Pb1  2  0.0000  0.0000  0.5000  1.0
  I  I2  4  0.1045  0.0000  0.7395  1.0
  I  I3  4  0.1406  0.5000  0.4299  1.0
  I  I4  4  0.1527  0.0000  0.1161  1.0
]