data_SrBe2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.39
_cell_length_b   3.39
_cell_length_c   7.52
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   97.49
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrBe2Pb
_chemical_formula_sum   'Sr1 Be2 Pb1'
_cell_volume   85.43
_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  0.58  1.0
  Be  Be0  1  0.23  0.0  0.85  1.0
  Be  Be1  1  0.0  0.0  0.12  1.0
  Pb  Pb2  1  0.23  0.0  0.25  1.0

data_SrBe2Pb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.39
_cell_length_b   3.39
_cell_length_c   7.52
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   97.49
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrBe2Pb
_chemical_formula_sum   'Sr1 Be2 Pb1'
_cell_volume   85.43
_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  0.58  1.0
  Be  Be1  1  0.0  0.0  0.12  1.0
  Be  Be2  1  0.23  0.0  0.85  1.0
  Pb  Pb3  1  0.23  0.0  0.25  1.0

Sr Be Be Pb
Sr Be Be Pb 0 3 o o o 0 1 o o o 1 2 o o + 2 3 o o o 