data_[Mg4Sb8Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Sb  2.0500  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [9.6543]
_cell_length_b [8.4168]
_cell_length_c [7.7023]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.5807]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Mg(SbPb)2]
_chemical_formula_sum '[Mg4 Sb8 Pb8]'
_cell_volume [625.8470]
_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  0.3832  0.5779  0.3636  1
  Sb  Sb1  4  0.1226  0.0695  0.7609  1
  Sb  Sb2  4  0.3731  0.5986  0.7459  1
  Pb  Pb3  4  0.0882  0.7345  0.0076  1
  Pb  Pb4  4  0.3408  0.1939  0.4940  1
]