data_Be2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.51
_cell_length_b   9.51
_cell_length_c   3.3
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   160.59
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2Pb
_chemical_formula_sum   'Be4 Pb2'
_cell_volume   99.1
_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  0.6  0.26  0.47  1.0
  Be  Be1  1  0.6  0.33  0.47  1.0
  Be  Be2  1  0.6  0.67  0.82  1.0
  Be  Be3  1  0.6  0.74  0.82  1.0
  Pb  Pb4  1  0.6  0.09  0.47  1.0
  Pb  Pb5  1  0.6  0.91  0.82  1.0

data_Be2Pb
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.21
_cell_length_b   3.3
_cell_length_c   9.51
_cell_angle_alpha   90.0
_cell_angle_beta   99.7
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Be2Pb
_chemical_formula_sum   'Be4 Pb2'
_cell_volume   99.1
_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  0.26  0.18  0.26  1.0
  Be  Be1  2  0.33  0.18  0.33  1.0
  Pb  Pb2  2  0.09  0.18  0.09  1.0

Be Be Be Be Pb Pb