data_[Mg2Bi8Pb10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.0958]
_cell_length_b [5.3148]
_cell_length_c [6.9621]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.6769]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [MgBi4Pb5]
_chemical_formula_sum '[Mg2 Bi8 Pb10]'
_cell_volume [626.4523]
_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  0.5000  0.0000  1
  Bi  Bi1  4  0.0779  0.0000  0.3050  1
  Bi  Bi2  4  0.1806  0.5000  0.1658  1
  Pb  Pb3  4  0.1146  0.0000  0.8205  1
  Pb  Pb4  4  0.2030  0.5000  0.6509  1
  Pb  Pb5  2  0.0000  0.5000  0.5000  1
]