data_Li2MgPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.57
_cell_length_b   5.57
_cell_length_c   5.57
_cell_angle_alpha   139.65
_cell_angle_beta   129.86
_cell_angle_gamma   66.23
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2MgPb
_chemical_formula_sum   'Li2 Mg1 Pb1'
_cell_volume   84.47
_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
  Li  Li0  1  0.0  0.0  0.28  1.0
  Li  Li1  1  0.0  0.36  0.38  1.0
  Mg  Mg2  1  0.0  0.0  0.72  1.0
  Pb  Pb3  1  0.92  0.0  0.27  1.0

data_Li2MgPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.84
_cell_length_b   4.72
_cell_length_c   5.57
_cell_angle_alpha   115.07
_cell_angle_beta   110.17
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2MgPb
_chemical_formula_sum   'Li2 Mg1 Pb1'
_cell_volume   84.47
_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
  Li  Li0  1  0.62  0.98  0.98  1.0
  Li  Li1  1  0.72  0.72  0.72  1.0
  Mg  Mg2  1  0.28  0.28  0.28  1.0
  Pb  Pb3  1  0.65  0.73  0.65  1.0

Li Li Mg Pb