data_MgBi2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.9
_cell_length_b   5.9
_cell_length_c   6.11
_cell_angle_alpha   101.61
_cell_angle_beta   101.61
_cell_angle_gamma   35.15
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgBi2Pb
_chemical_formula_sum   'Mg1 Bi2 Pb1'
_cell_volume   119.62
_cell_formula_units_Z   1
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  Mg2  1  0.0  0.0  0.0  1.0
  Bi  Bi0  1  0.05  0.0  0.4  1.0
  Bi  Bi1  1  0.9  0.0  0.58  1.0
  Pb  Pb3  1  0.98  0.0  0.99  1.0

data_MgBi2Pb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.56
_cell_length_b   5.9
_cell_length_c   6.11
_cell_angle_alpha   101.61
_cell_angle_beta   90.0
_cell_angle_gamma   107.58
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MgBi2Pb
_chemical_formula_sum   'Mg1 Bi2 Pb1'
_cell_volume   119.62
_cell_formula_units_Z   1
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  1  0.0  0.0  0.0  1.0
  Bi  Bi1  1  0.0  0.1  0.42  1.0
  Bi  Bi2  1  0.0  0.95  0.6  1.0
  Pb  Pb3  1  0.0  0.02  0.01  1.0

Mg Bi Bi Pb