data_Sr4Pb3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.76
_cell_length_b   6.76
_cell_length_c   6.77
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr4Pb3
_chemical_formula_sum   'Sr4 Pb3'
_cell_volume   267.91
_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  Sr3  1  0.0  0.0  0.98  1.0
  Sr  Sr4  1  0.0  0.0  0.79  1.0
  Sr  Sr5  1  0.38  0.95  0.0  1.0
  Sr  Sr6  1  0.0  0.9  0.0  1.0
  Pb  Pb0  1  0.38  0.0  0.38  1.0
  Pb  Pb1  1  0.31  0.93  0.38  1.0
  Pb  Pb2  1  0.69  0.93  0.38  1.0

data_Sr4Pb3
_symmetry_space_group_name_H-M   P1
_cell_length_a   6.76
_cell_length_b   6.76
_cell_length_c   6.77
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr4Pb3
_chemical_formula_sum   'Sr4 Pb3'
_cell_volume   267.91
_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  0.0  0.0  0.79  1.0
  Sr  Sr1  1  0.0  0.0  0.98  1.0
  Sr  Sr2  1  0.0  0.9  0.0  1.0
  Sr  Sr3  1  0.38  0.95  0.0  1.0
  Pb  Pb4  1  0.31  0.93  0.38  1.0
  Pb  Pb5  1  0.38  0.0  0.38  1.0
  Pb  Pb6  1  0.69  0.93  0.38  1.0

Sr Sr Sr Sr Pb Pb Pb