data_[Mg2Pb4Cl12]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P4_2/mnm]
_cell_length_a [6.5513]
_cell_length_b [6.5513]
_cell_length_c [12.6293]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [136]
_chemical_formula_structural [Mg(PbCl3)2]
_chemical_formula_sum '[Mg2 Pb4 Cl12]'
_cell_volume [542.0494]
_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  2  0.0000  0.0000  0.5000  1.0
  Pb  Pb1  4  0.0000  0.0000  0.1660  1.0
  Cl  Cl2  8  0.1855  0.8145  0.3519  1.0
  Cl  Cl3  4  0.2212  0.7788  0.0000  1.0
]