data_Sr2ZnPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.33
_cell_length_b   6.33
_cell_length_c   6.33
_cell_angle_alpha   133.34
_cell_angle_beta   133.34
_cell_angle_gamma   68.12
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2ZnPb
_chemical_formula_sum   'Sr2 Zn1 Pb1'
_cell_volume   131.81
_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  Sr1  1  0.0  0.0  0.24  1.0
  Sr  Sr2  1  0.0  0.51  0.62  1.0
  Zn  Zn3  1  0.0  0.0  0.0  1.0
  Pb  Pb0  1  0.51  0.0  0.62  1.0

data_Sr2ZnPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.01
_cell_length_b   5.01
_cell_length_c   6.33
_cell_angle_alpha   113.33
_cell_angle_beta   113.33
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2ZnPb
_chemical_formula_sum   'Sr2 Zn1 Pb1'
_cell_volume   131.81
_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  0.12  0.62  0.12  1.0
  Sr  Sr1  1  0.24  0.24  0.24  1.0
  Zn  Zn2  1  0.0  0.0  0.0  1.0
  Pb  Pb3  1  0.62  0.12  0.12  1.0

Sr Sr Zn Pb
Sr Sr Zn Pb 0 2 o o o 0 1 o o o 0 3 o o o 1 2 o + + 2 3 - o - 