data_Be2ZnPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.09
_cell_length_b   5.09
_cell_length_c   3.35
_cell_angle_alpha   106.03
_cell_angle_beta   106.03
_cell_angle_gamma   112.36
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2ZnPb
_chemical_formula_sum   'Be2 Zn1 Pb1'
_cell_volume   69.56
_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
  Be  Be0  1  0.42  0.11  0.0  1.0
  Be  Be1  1  0.42  0.89  0.0  1.0
  Zn  Zn3  1  0.0  0.0  0.0  1.0
  Pb  Pb2  1  0.83  0.0  0.0  1.0

data_Be2ZnPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.35
_cell_length_b   4.95
_cell_length_c   5.09
_cell_angle_alpha   116.77
_cell_angle_beta   106.03
_cell_angle_gamma   96.22
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2ZnPb
_chemical_formula_sum   'Be2 Zn1 Pb1'
_cell_volume   69.56
_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
  Be  Be0  1  0.11  0.11  0.53  1.0
  Be  Be1  1  0.89  0.89  0.3  1.0
  Zn  Zn2  1  0.0  0.0  0.0  1.0
  Pb  Pb3  1  0.0  0.0  0.83  1.0

Be Be Zn Pb
Be Be Zn Pb 0 1 o - o 2 3 - o o 