data_[Mg2Pt4Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Pt  2.2800  1.3500  0.8050
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.2078]
_cell_length_b [3.6093]
_cell_length_c [10.4396]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [MgPt2Pb]
_chemical_formula_sum '[Mg2 Pt4 Pb2]'
_cell_volume [158.5461]
_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  0.5150  1
  Pt  Pt1  2  0.0000  0.0000  0.7965  1
  Pt  Pt2  2  0.5000  0.0000  0.9649  1
  Pb  Pb3  2  0.5000  0.0000  0.2241  1
]