data_BePb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.9
_cell_length_b   3.9
_cell_length_c   6.8
_cell_angle_alpha   105.74
_cell_angle_beta   105.74
_cell_angle_gamma   59.21
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BePb
_chemical_formula_sum   'Be2 Pb2'
_cell_volume   84.29
_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
  Be  Be0  1  0.59  0.0  0.24  1.0
  Be  Be1  1  0.07  0.0  0.22  1.0
  Pb  Pb2  1  0.36  0.0  0.93  1.0
  Pb  Pb3  1  0.3  0.0  0.52  1.0

data_BePb
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.85
_cell_length_b   3.9
_cell_length_c   6.8
_cell_angle_alpha   105.74
_cell_angle_beta   90.0
_cell_angle_gamma   119.6
_symmetry_Int_Tables_number   2
_chemical_formula_structural   BePb
_chemical_formula_sum   'Be2 Pb2'
_cell_volume   84.29
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.0  0.24  0.49  1.0
  Pb  Pb1  2  0.0  0.47  0.79  1.0

Be Be Pb Pb