data_Sr2HgPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.01
_cell_length_b   4.12
_cell_length_c   8.14
_cell_angle_alpha   90.0
_cell_angle_beta   91.21
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2HgPb
_chemical_formula_sum   'Sr2 Hg1 Pb1'
_cell_volume   134.28
_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
  Sr  Sr2  1  0.89  0.06  0.16  1.0
  Sr  Sr3  1  0.94  0.06  0.98  1.0
  Hg  Hg0  1  0.0  0.0  0.0  1.0
  Pb  Pb1  1  0.91  0.0  0.07  1.0

data_Sr2HgPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.01
_cell_length_b   4.12
_cell_length_c   8.14
_cell_angle_alpha   90.0
_cell_angle_beta   91.21
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2HgPb
_chemical_formula_sum   'Sr2 Hg1 Pb1'
_cell_volume   134.28
_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
  Sr  Sr0  1  0.89  0.06  0.16  1.0
  Sr  Sr1  1  0.94  0.06  0.98  1.0
  Hg  Hg2  1  0.0  0.0  0.0  1.0
  Pb  Pb3  1  0.91  0.0  0.07  1.0

Sr Sr Hg Pb