data_Be2HgPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.47
_cell_length_b   6.47
_cell_length_c   6.47
_cell_angle_alpha   151.92
_cell_angle_beta   143.83
_cell_angle_gamma   46.41
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2HgPb
_chemical_formula_sum   'Be2 Hg1 Pb1'
_cell_volume   74.9
_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  0.0  0.0  0.63  1.0
  Be  Be1  1  0.0  0.01  0.99  1.0
  Hg  Hg2  1  0.0  0.0  0.66  1.0
  Pb  Pb3  1  0.57  0.0  0.49  1.0

data_Be2HgPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.14
_cell_length_b   4.02
_cell_length_c   6.47
_cell_angle_alpha   108.09
_cell_angle_beta   104.04
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2HgPb
_chemical_formula_sum   'Be2 Hg1 Pb1'
_cell_volume   74.9
_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  0.01  0.01  0.01  1.0
  Be  Be1  1  0.37  0.37  0.37  1.0
  Hg  Hg2  1  0.34  0.34  0.34  1.0
  Pb  Pb3  1  0.07  0.51  0.07  1.0

Be Be Hg Pb