data_SrPb2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.81
_cell_length_b   9.97
_cell_length_c   6.47
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrPb2
_chemical_formula_sum   'Sr2 Pb4'
_cell_volume   245.63
_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
  Sr  Sr4  1  0.0  0.0  0.0  1.0
  Sr  Sr5  1  0.9  0.99  0.23  1.0
  Pb  Pb0  1  0.07  0.52  0.0  1.0
  Pb  Pb1  1  0.74  0.45  0.0  1.0
  Pb  Pb2  1  0.17  0.46  0.23  1.0
  Pb  Pb3  1  0.64  0.51  0.23  1.0

data_SrPb2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.81
_cell_length_b   6.47
_cell_length_c   9.97
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrPb2
_chemical_formula_sum   'Sr2 Pb4'
_cell_volume   245.63
_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
  Sr  Sr0  1  0.0  0.0  0.0  1.0
  Sr  Sr1  1  0.1  0.77  0.01  1.0
  Pb  Pb2  1  0.26  -0.0  0.55  1.0
  Pb  Pb3  1  0.36  0.77  0.49  1.0
  Pb  Pb4  1  0.83  0.77  0.54  1.0
  Pb  Pb5  1  0.93  -0.0  0.48  1.0

Sr Sr Pb Pb Pb Pb